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Finding the Fourth Proportional to 359,467.88, 539,211.53 and 110,149.88

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Solution

The fourth proportional to 359,467.88, 539,211.53 and 110,149.88 is: 165,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,467.88 : 539,211.53 = 110,149.88 : x
  2. Step 2: Convert to fraction form
    359,467.88/539,211.53 = 110,149.88/x
  3. Step 3: Cross multiply
    359,467.88x = 539,211.53 × 110,149.88
  4. Step 4: Simplify right side
    359,467.88x = 59,394,082,903.43
  5. Step 5: Solve for x
    x = 59,394,082,903.43/359,467.88
  6. Step 6: Final answer
    x = 165,227.79

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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.