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Finding the Fourth Proportional to 568,791.45, 853,187.18 and 148,067.33

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Solution

The fourth proportional to 568,791.45, 853,187.18 and 148,067.33 is: 222,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,791.45 : 853,187.18 = 148,067.33 : x
  2. Step 2: Convert to fraction form
    568,791.45/853,187.18 = 148,067.33/x
  3. Step 3: Cross multiply
    568,791.45x = 853,187.18 × 148,067.33
  4. Step 4: Simplify right side
    568,791.45x = 126,329,142,726.56
  5. Step 5: Solve for x
    x = 126,329,142,726.56/568,791.45
  6. Step 6: Final answer
    x = 222,100.99

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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.