Finding the Fourth Proportional to 377,704.26, 521,213.13 and 207,934.74
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Solution
The fourth proportional to 377,704.26, 521,213.13 and 207,934.74 is: 286,939.62
Step by Step Solution
- Step 1: Write the proportion equation
377,704.26 : 521,213.13 = 207,934.74 : x - Step 2: Convert to fraction form
377,704.26/521,213.13 = 207,934.74/x - Step 3: Cross multiply
377,704.26x = 521,213.13 × 207,934.74 - Step 4: Simplify right side
377,704.26x = 108,378,316,671.14 - Step 5: Solve for x
x = 108,378,316,671.14/377,704.26 - Step 6: Final answer
x = 286,939.62
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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.