Home / 234,890.57-324,013.43-149,911.85

Finding the Fourth Proportional to 234,890.57, 324,013.43 and 149,911.85

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Solution

The fourth proportional to 234,890.57, 324,013.43 and 149,911.85 is: 206,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,890.57 : 324,013.43 = 149,911.85 : x
  2. Step 2: Convert to fraction form
    234,890.57/324,013.43 = 149,911.85/x
  3. Step 3: Cross multiply
    234,890.57x = 324,013.43 × 149,911.85
  4. Step 4: Simplify right side
    234,890.57x = 48,573,451,966.59
  5. Step 5: Solve for x
    x = 48,573,451,966.59/234,890.57
  6. Step 6: Final answer
    x = 206,791.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.