Finding the Fourth Proportional to 331,879.75, 457,864.11 and 204,333.91
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Solution
The fourth proportional to 331,879.75, 457,864.11 and 204,333.91 is: 281,900.79
Step by Step Solution
- Step 1: Write the proportion equation
331,879.75 : 457,864.11 = 204,333.91 : x - Step 2: Convert to fraction form
331,879.75/457,864.11 = 204,333.91/x - Step 3: Cross multiply
331,879.75x = 457,864.11 × 204,333.91 - Step 4: Simplify right side
331,879.75x = 93,557,162,700.31 - Step 5: Solve for x
x = 93,557,162,700.31/331,879.75 - Step 6: Final answer
x = 281,900.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.