Home / 494,553.20-741,951.30-139,562.60

Finding the Fourth Proportional to 494,553.20, 741,951.30 and 139,562.60

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Solution

The fourth proportional to 494,553.20, 741,951.30 and 139,562.60 is: 209,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,553.20 : 741,951.30 = 139,562.60 : x
  2. Step 2: Convert to fraction form
    494,553.20/741,951.30 = 139,562.60/x
  3. Step 3: Cross multiply
    494,553.20x = 741,951.30 × 139,562.60
  4. Step 4: Simplify right side
    494,553.20x = 103,548,652,501.38
  5. Step 5: Solve for x
    x = 103,548,652,501.38/494,553.20
  6. Step 6: Final answer
    x = 209,378.19

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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.