Finding the Fourth Proportional to 278,073.07, 417,125.87 and 107,295.70
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Solution
The fourth proportional to 278,073.07, 417,125.87 and 107,295.70 is: 160,949.83
Step by Step Solution
- Step 1: Write the proportion equation
278,073.07 : 417,125.87 = 107,295.70 : x - Step 2: Convert to fraction form
278,073.07/417,125.87 = 107,295.70/x - Step 3: Cross multiply
278,073.07x = 417,125.87 × 107,295.70 - Step 4: Simplify right side
278,073.07x = 44,755,814,515.78 - Step 5: Solve for x
x = 44,755,814,515.78/278,073.07 - Step 6: Final answer
x = 160,949.83
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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.