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Finding the Fourth Proportional to 568,618.56, 853,223.04 and 231,906.24

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Solution

The fourth proportional to 568,618.56, 853,223.04 and 231,906.24 is: 347,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,618.56 : 853,223.04 = 231,906.24 : x
  2. Step 2: Convert to fraction form
    568,618.56/853,223.04 = 231,906.24/x
  3. Step 3: Cross multiply
    568,618.56x = 853,223.04 × 231,906.24
  4. Step 4: Simplify right side
    568,618.56x = 197,867,747,087.77
  5. Step 5: Solve for x
    x = 197,867,747,087.77/568,618.56
  6. Step 6: Final answer
    x = 347,979.75

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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.