Finding the Fourth Proportional to 314,226.97, 471,414.29 and 103,864.92
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Solution
The fourth proportional to 314,226.97, 471,414.29 and 103,864.92 is: 155,821.79
Step by Step Solution
- Step 1: Write the proportion equation
314,226.97 : 471,414.29 = 103,864.92 : x - Step 2: Convert to fraction form
314,226.97/471,414.29 = 103,864.92/x - Step 3: Cross multiply
314,226.97x = 471,414.29 × 103,864.92 - Step 4: Simplify right side
314,226.97x = 48,963,407,517.71 - Step 5: Solve for x
x = 48,963,407,517.71/314,226.97 - Step 6: Final answer
x = 155,821.79
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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.