Finding the Fourth Proportional to 283,440.20, 391,132.70 and 176,007.92
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Solution
The fourth proportional to 283,440.20, 391,132.70 and 176,007.92 is: 242,881.75
Step by Step Solution
- Step 1: Write the proportion equation
283,440.20 : 391,132.70 = 176,007.92 : x - Step 2: Convert to fraction form
283,440.20/391,132.70 = 176,007.92/x - Step 3: Cross multiply
283,440.20x = 391,132.70 × 176,007.92 - Step 4: Simplify right side
283,440.20x = 68,842,452,970.98 - Step 5: Solve for x
x = 68,842,452,970.98/283,440.20 - Step 6: Final answer
x = 242,881.75
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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.