Finding the Fourth Proportional to 381,370.96, 572,060.40 and 115,133.68
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Solution
The fourth proportional to 381,370.96, 572,060.40 and 115,133.68 is: 172,701.72
Step by Step Solution
- Step 1: Write the proportion equation
381,370.96 : 572,060.40 = 115,133.68 : x - Step 2: Convert to fraction form
381,370.96/572,060.40 = 115,133.68/x - Step 3: Cross multiply
381,370.96x = 572,060.40 × 115,133.68 - Step 4: Simplify right side
381,370.96x = 65,863,419,034.27 - Step 5: Solve for x
x = 65,863,419,034.27/381,370.96 - Step 6: Final answer
x = 172,701.72
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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.