Home / 437,439.10-656,158.65-156,919.90

Finding the Fourth Proportional to 437,439.10, 656,158.65 and 156,919.90

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Solution

The fourth proportional to 437,439.10, 656,158.65 and 156,919.90 is: 235,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,439.10 : 656,158.65 = 156,919.90 : x
  2. Step 2: Convert to fraction form
    437,439.10/656,158.65 = 156,919.90/x
  3. Step 3: Cross multiply
    437,439.10x = 656,158.65 × 156,919.90
  4. Step 4: Simplify right side
    437,439.10x = 102,964,349,742.14
  5. Step 5: Solve for x
    x = 102,964,349,742.14/437,439.10
  6. Step 6: Final answer
    x = 235,379.85

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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.