Finding the Fourth Proportional to 461,199.60, 636,358.68 and 280,006.92
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Solution
The fourth proportional to 461,199.60, 636,358.68 and 280,006.92 is: 386,350.80
Step by Step Solution
- Step 1: Write the proportion equation
461,199.60 : 636,358.68 = 280,006.92 : x - Step 2: Convert to fraction form
461,199.60/636,358.68 = 280,006.92/x - Step 3: Cross multiply
461,199.60x = 636,358.68 × 280,006.92 - Step 4: Simplify right side
461,199.60x = 178,184,834,002.07 - Step 5: Solve for x
x = 178,184,834,002.07/461,199.60 - Step 6: Final answer
x = 386,350.80
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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.