Home / 220,745.38-331,121.24-62,973.85

Finding the Fourth Proportional to 220,745.38, 331,121.24 and 62,973.85

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Solution

The fourth proportional to 220,745.38, 331,121.24 and 62,973.85 is: 94,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,745.38 : 331,121.24 = 62,973.85 : x
  2. Step 2: Convert to fraction form
    220,745.38/331,121.24 = 62,973.85/x
  3. Step 3: Cross multiply
    220,745.38x = 331,121.24 × 62,973.85
  4. Step 4: Simplify right side
    220,745.38x = 20,851,979,299.57
  5. Step 5: Solve for x
    x = 20,851,979,299.57/220,745.38
  6. Step 6: Final answer
    x = 94,461.68

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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.