Proportional Reasoning

Question 0

What is a proportion?

Answer 0

Two or more ratios that are equivalent to each other

Question 1

What are three ways a ratio can be presented?

Answer 1

As a fraction (4/5)
With a colon (4:5)
With the word “to” (4 to 5)

Question 2

What is the process for solving proportions?

Answer 2

1. Cross multiply
2. Isolate the variable. Use division to solve for variable

Ex 5/8 = 30/x
5x=240 (divide both sides by 5)
x=48

For complex proportions, it may require many steps to solve