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Finding the Fourth Proportional to 226,578.87, 339,846.24 and 68,808.69

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Solution

The fourth proportional to 226,578.87, 339,846.24 and 68,808.69 is: 103,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,578.87 : 339,846.24 = 68,808.69 : x
  2. Step 2: Convert to fraction form
    226,578.87/339,846.24 = 68,808.69/x
  3. Step 3: Cross multiply
    226,578.87x = 339,846.24 × 68,808.69
  4. Step 4: Simplify right side
    226,578.87x = 23,384,374,575.83
  5. Step 5: Solve for x
    x = 23,384,374,575.83/226,578.87
  6. Step 6: Final answer
    x = 103,206.33

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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.