Home / 437,618.20-656,427.30-238,552.60

Finding the Fourth Proportional to 437,618.20, 656,427.30 and 238,552.60

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Solution

The fourth proportional to 437,618.20, 656,427.30 and 238,552.60 is: 357,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,618.20 : 656,427.30 = 238,552.60 : x
  2. Step 2: Convert to fraction form
    437,618.20/656,427.30 = 238,552.60/x
  3. Step 3: Cross multiply
    437,618.20x = 656,427.30 × 238,552.60
  4. Step 4: Simplify right side
    437,618.20x = 156,592,439,125.98
  5. Step 5: Solve for x
    x = 156,592,439,125.98/437,618.20
  6. Step 6: Final answer
    x = 357,828.90

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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.