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Finding the Fourth Proportional to 226,559.94, 339,817.92 and 68,789.76

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Solution

The fourth proportional to 226,559.94, 339,817.92 and 68,789.76 is: 103,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,559.94 : 339,817.92 = 68,789.76 : x
  2. Step 2: Convert to fraction form
    226,559.94/339,817.92 = 68,789.76/x
  3. Step 3: Cross multiply
    226,559.94x = 339,817.92 × 68,789.76
  4. Step 4: Simplify right side
    226,559.94x = 23,375,993,160.50
  5. Step 5: Solve for x
    x = 23,375,993,160.50/226,559.94
  6. Step 6: Final answer
    x = 103,177.96

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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.