Finding the Fourth Proportional to 209,413.80, 314,120.70 and 167,941.80
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Solution
The fourth proportional to 209,413.80, 314,120.70 and 167,941.80 is: 251,912.70
Step by Step Solution
- Step 1: Write the proportion equation
209,413.80 : 314,120.70 = 167,941.80 : x - Step 2: Convert to fraction form
209,413.80/314,120.70 = 167,941.80/x - Step 3: Cross multiply
209,413.80x = 314,120.70 × 167,941.80 - Step 4: Simplify right side
209,413.80x = 52,753,995,775.26 - Step 5: Solve for x
x = 52,753,995,775.26/209,413.80 - Step 6: Final answer
x = 251,912.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.