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Finding the Fourth Proportional to 359,380.73, 538,651.92 and 270,347.96

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Solution

The fourth proportional to 359,380.73, 538,651.92 and 270,347.96 is: 405,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,380.73 : 538,651.92 = 270,347.96 : x
  2. Step 2: Convert to fraction form
    359,380.73/538,651.92 = 270,347.96/x
  3. Step 3: Cross multiply
    359,380.73x = 538,651.92 × 270,347.96
  4. Step 4: Simplify right side
    359,380.73x = 145,623,450,082.52
  5. Step 5: Solve for x
    x = 145,623,450,082.52/359,380.73
  6. Step 6: Final answer
    x = 405,206.61

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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.