Finding the Fourth Proportional to 381,685.70, 572,528.55 and 97,375.70
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Solution
The fourth proportional to 381,685.70, 572,528.55 and 97,375.70 is: 146,063.55
Step by Step Solution
- Step 1: Write the proportion equation
381,685.70 : 572,528.55 = 97,375.70 : x - Step 2: Convert to fraction form
381,685.70/572,528.55 = 97,375.70/x - Step 3: Cross multiply
381,685.70x = 572,528.55 × 97,375.70 - Step 4: Simplify right side
381,685.70x = 55,750,368,326.24 - Step 5: Solve for x
x = 55,750,368,326.24/381,685.70 - Step 6: Final answer
x = 146,063.55
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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.