Home / 231,862.38-347,745.92-146,447.21

Finding the Fourth Proportional to 231,862.38, 347,745.92 and 146,447.21

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Solution

The fourth proportional to 231,862.38, 347,745.92 and 146,447.21 is: 219,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,862.38 : 347,745.92 = 146,447.21 : x
  2. Step 2: Convert to fraction form
    231,862.38/347,745.92 = 146,447.21/x
  3. Step 3: Cross multiply
    231,862.38x = 347,745.92 × 146,447.21
  4. Step 4: Simplify right side
    231,862.38x = 50,926,417,301.92
  5. Step 5: Solve for x
    x = 50,926,417,301.92/231,862.38
  6. Step 6: Final answer
    x = 219,640.71

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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.