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Finding the Fourth Proportional to 367,159.68, 550,704.96 and 142,627.20

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Solution

The fourth proportional to 367,159.68, 550,704.96 and 142,627.20 is: 213,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,159.68 : 550,704.96 = 142,627.20 : x
  2. Step 2: Convert to fraction form
    367,159.68/550,704.96 = 142,627.20/x
  3. Step 3: Cross multiply
    367,159.68x = 550,704.96 × 142,627.20
  4. Step 4: Simplify right side
    367,159.68x = 78,545,506,470.91
  5. Step 5: Solve for x
    x = 78,545,506,470.91/367,159.68
  6. Step 6: Final answer
    x = 213,927.37

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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.