Finding the Fourth Proportional to 491,115.29, 736,678.40 and 136,132.38
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Solution
The fourth proportional to 491,115.29, 736,678.40 and 136,132.38 is: 204,200.09
Step by Step Solution
- Step 1: Write the proportion equation
491,115.29 : 736,678.40 = 136,132.38 : x - Step 2: Convert to fraction form
491,115.29/736,678.40 = 136,132.38/x - Step 3: Cross multiply
491,115.29x = 736,678.40 × 136,132.38 - Step 4: Simplify right side
491,115.29x = 100,285,783,205.93 - Step 5: Solve for x
x = 100,285,783,205.93/491,115.29 - Step 6: Final answer
x = 204,200.09
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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.