Home / 331,229.10-496,989.45-153,644.70

Finding the Fourth Proportional to 331,229.10, 496,989.45 and 153,644.70

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Solution

The fourth proportional to 331,229.10, 496,989.45 and 153,644.70 is: 230,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,229.10 : 496,989.45 = 153,644.70 : x
  2. Step 2: Convert to fraction form
    331,229.10/496,989.45 = 153,644.70/x
  3. Step 3: Cross multiply
    331,229.10x = 496,989.45 × 153,644.70
  4. Step 4: Simplify right side
    331,229.10x = 76,359,794,948.42
  5. Step 5: Solve for x
    x = 76,359,794,948.42/331,229.10
  6. Step 6: Final answer
    x = 230,534.68

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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.