Home / 437,550.30-656,244.45-121,941.90

Finding the Fourth Proportional to 437,550.30, 656,244.45 and 121,941.90

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Solution

The fourth proportional to 437,550.30, 656,244.45 and 121,941.90 is: 182,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,550.30 : 656,244.45 = 121,941.90 : x
  2. Step 2: Convert to fraction form
    437,550.30/656,244.45 = 121,941.90/x
  3. Step 3: Cross multiply
    437,550.30x = 656,244.45 × 121,941.90
  4. Step 4: Simplify right side
    437,550.30x = 80,023,695,097.46
  5. Step 5: Solve for x
    x = 80,023,695,097.46/437,550.30
  6. Step 6: Final answer
    x = 182,890.28

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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.