Finding the Fourth Proportional to 395,135.92, 592,105.20 and 261,537.52
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Solution
The fourth proportional to 395,135.92, 592,105.20 and 261,537.52 is: 391,910.02
Step by Step Solution
- Step 1: Write the proportion equation
395,135.92 : 592,105.20 = 261,537.52 : x - Step 2: Convert to fraction form
395,135.92/592,105.20 = 261,537.52/x - Step 3: Cross multiply
395,135.92x = 592,105.20 × 261,537.52 - Step 4: Simplify right side
395,135.92x = 154,857,725,587.10 - Step 5: Solve for x
x = 154,857,725,587.10/395,135.92 - Step 6: Final answer
x = 391,910.02
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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.