Finding the Fourth Proportional to 334,413.87, 461,874.45 and 220,203.09
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Solution
The fourth proportional to 334,413.87, 461,874.45 and 220,203.09 is: 304,132.66
Step by Step Solution
- Step 1: Write the proportion equation
334,413.87 : 461,874.45 = 220,203.09 : x - Step 2: Convert to fraction form
334,413.87/461,874.45 = 220,203.09/x - Step 3: Cross multiply
334,413.87x = 461,874.45 × 220,203.09 - Step 4: Simplify right side
334,413.87x = 101,706,181,082.05 - Step 5: Solve for x
x = 101,706,181,082.05/334,413.87 - Step 6: Final answer
x = 304,132.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.