Finding the Fourth Proportional to 381,701.70, 572,552.55 and 132,383.70
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Solution
The fourth proportional to 381,701.70, 572,552.55 and 132,383.70 is: 198,575.55
Step by Step Solution
- Step 1: Write the proportion equation
381,701.70 : 572,552.55 = 132,383.70 : x - Step 2: Convert to fraction form
381,701.70/572,552.55 = 132,383.70/x - Step 3: Cross multiply
381,701.70x = 572,552.55 × 132,383.70 - Step 4: Simplify right side
381,701.70x = 75,796,625,013.44 - Step 5: Solve for x
x = 75,796,625,013.44/381,701.70 - Step 6: Final answer
x = 198,575.55
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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.