Finding the Fourth Proportional to 381,583.84, 572,375.80 and 132,265.84
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Solution
The fourth proportional to 381,583.84, 572,375.80 and 132,265.84 is: 198,398.77
Step by Step Solution
- Step 1: Write the proportion equation
381,583.84 : 572,375.80 = 132,265.84 : x - Step 2: Convert to fraction form
381,583.84/572,375.80 = 132,265.84/x - Step 3: Cross multiply
381,583.84x = 572,375.80 × 132,265.84 - Step 4: Simplify right side
381,583.84x = 75,705,765,982.67 - Step 5: Solve for x
x = 75,705,765,982.67/381,583.84 - Step 6: Final answer
x = 198,398.77
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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.