Finding the Fourth Proportional to 426,446.62, 588,480.92 and 235,455.91
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Solution
The fourth proportional to 426,446.62, 588,480.92 and 235,455.91 is: 324,920.65
Step by Step Solution
- Step 1: Write the proportion equation
426,446.62 : 588,480.92 = 235,455.91 : x - Step 2: Convert to fraction form
426,446.62/588,480.92 = 235,455.91/x - Step 3: Cross multiply
426,446.62x = 588,480.92 × 235,455.91 - Step 4: Simplify right side
426,446.62x = 138,561,312,743.14 - Step 5: Solve for x
x = 138,561,312,743.14/426,446.62 - Step 6: Final answer
x = 324,920.65
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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.