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Finding the Fourth Proportional to 337,149.14, 505,972.58 and 159,655.86

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Solution

The fourth proportional to 337,149.14, 505,972.58 and 159,655.86 is: 239,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,149.14 : 505,972.58 = 159,655.86 : x
  2. Step 2: Convert to fraction form
    337,149.14/505,972.58 = 159,655.86/x
  3. Step 3: Cross multiply
    337,149.14x = 505,972.58 × 159,655.86
  4. Step 4: Simplify right side
    337,149.14x = 80,781,486,598.04
  5. Step 5: Solve for x
    x = 80,781,486,598.04/337,149.14
  6. Step 6: Final answer
    x = 239,601.64

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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.