Home / 437,498.20-656,247.30-238,432.60

Finding the Fourth Proportional to 437,498.20, 656,247.30 and 238,432.60

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Solution

The fourth proportional to 437,498.20, 656,247.30 and 238,432.60 is: 357,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,498.20 : 656,247.30 = 238,432.60 : x
  2. Step 2: Convert to fraction form
    437,498.20/656,247.30 = 238,432.60/x
  3. Step 3: Cross multiply
    437,498.20x = 656,247.30 × 238,432.60
  4. Step 4: Simplify right side
    437,498.20x = 156,470,749,981.98
  5. Step 5: Solve for x
    x = 156,470,749,981.98/437,498.20
  6. Step 6: Final answer
    x = 357,648.90

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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.