Home / 226,548.75-339,801.18-68,778.57

Finding the Fourth Proportional to 226,548.75, 339,801.18 and 68,778.57

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Solution

The fourth proportional to 226,548.75, 339,801.18 and 68,778.57 is: 103,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,548.75 : 339,801.18 = 68,778.57 : x
  2. Step 2: Convert to fraction form
    226,548.75/339,801.18 = 68,778.57/x
  3. Step 3: Cross multiply
    226,548.75x = 339,801.18 × 68,778.57
  4. Step 4: Simplify right side
    226,548.75x = 23,371,037,545.71
  5. Step 5: Solve for x
    x = 23,371,037,545.71/226,548.75
  6. Step 6: Final answer
    x = 103,161.19

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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.