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Finding the Fourth Proportional to 359,693.46, 539,537.76 and 119,825.73

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Solution

The fourth proportional to 359,693.46, 539,537.76 and 119,825.73 is: 179,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,693.46 : 539,537.76 = 119,825.73 : x
  2. Step 2: Convert to fraction form
    359,693.46/539,537.76 = 119,825.73/x
  3. Step 3: Cross multiply
    359,693.46x = 539,537.76 × 119,825.73
  4. Step 4: Simplify right side
    359,693.46x = 64,650,505,954.56
  5. Step 5: Solve for x
    x = 64,650,505,954.56/359,693.46
  6. Step 6: Final answer
    x = 179,737.79

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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.