Finding the Fourth Proportional to 423,694.08, 584,702.64 and 232,711.92
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Solution
The fourth proportional to 423,694.08, 584,702.64 and 232,711.92 is: 321,145.09
Step by Step Solution
- Step 1: Write the proportion equation
423,694.08 : 584,702.64 = 232,711.92 : x - Step 2: Convert to fraction form
423,694.08/584,702.64 = 232,711.92/x - Step 3: Cross multiply
423,694.08x = 584,702.64 × 232,711.92 - Step 4: Simplify right side
423,694.08x = 136,067,273,983.47 - Step 5: Solve for x
x = 136,067,273,983.47/423,694.08 - Step 6: Final answer
x = 321,145.09
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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.