Finding the Fourth Proportional to 379,272.02, 568,717.57 and 126,463.02
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Solution
The fourth proportional to 379,272.02, 568,717.57 and 126,463.02 is: 189,631.02
Step by Step Solution
- Step 1: Write the proportion equation
379,272.02 : 568,717.57 = 126,463.02 : x - Step 2: Convert to fraction form
379,272.02/568,717.57 = 126,463.02/x - Step 3: Cross multiply
379,272.02x = 568,717.57 × 126,463.02 - Step 4: Simplify right side
379,272.02x = 71,921,739,454.65 - Step 5: Solve for x
x = 71,921,739,454.65/379,272.02 - Step 6: Final answer
x = 189,631.02
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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.