Finding the Fourth Proportional to 447,052.62, 616,948.84 and 256,102.92
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Solution
The fourth proportional to 447,052.62, 616,948.84 and 256,102.92 is: 353,431.32
Step by Step Solution
- Step 1: Write the proportion equation
447,052.62 : 616,948.84 = 256,102.92 : x - Step 2: Convert to fraction form
447,052.62/616,948.84 = 256,102.92/x - Step 3: Cross multiply
447,052.62x = 616,948.84 × 256,102.92 - Step 4: Simplify right side
447,052.62x = 158,002,399,414.61 - Step 5: Solve for x
x = 158,002,399,414.61/447,052.62 - Step 6: Final answer
x = 353,431.32
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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.