Example 4: Missing value from a ratio
Last Updated On: Fri Aug 28 2026| Region | Sales |
|---|---|
| North | 200 |
| East | ? |
| West | 180 |
A "?" marks a missing value.
Additional information
- North and East sales are in the ratio 4 : 5.
Question
What were the total sales of the three regions?
Solution
- North / East = 4 / 5, so East = 200 x 5 / 4 = 250.
- Total = 200 + 250 + 180 = 630.
- Total sales were 630 thousand dollars.