Home / 438,184.60-656,823.30-238,082.20

Finding the Fourth Proportional to 438,184.60, 656,823.30 and 238,082.20

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Solution

The fourth proportional to 438,184.60, 656,823.30 and 238,082.20 is: 356,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,184.60 : 656,823.30 = 238,082.20 : x
  2. Step 2: Convert to fraction form
    438,184.60/656,823.30 = 238,082.20/x
  3. Step 3: Cross multiply
    438,184.60x = 656,823.30 × 238,082.20
  4. Step 4: Simplify right side
    438,184.60x = 156,377,936,275.26
  5. Step 5: Solve for x
    x = 156,377,936,275.26/438,184.60
  6. Step 6: Final answer
    x = 356,876.84

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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.