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Finding the Fourth Proportional to 568,818.62, 853,278.95 and 148,098.14

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Solution

The fourth proportional to 568,818.62, 853,278.95 and 148,098.14 is: 222,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,818.62 : 853,278.95 = 148,098.14 : x
  2. Step 2: Convert to fraction form
    568,818.62/853,278.95 = 148,098.14/x
  3. Step 3: Cross multiply
    568,818.62x = 853,278.95 × 148,098.14
  4. Step 4: Simplify right side
    568,818.62x = 126,369,021,500.00
  5. Step 5: Solve for x
    x = 126,369,021,500.00/568,818.62
  6. Step 6: Final answer
    x = 222,160.49

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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.