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Finding the Fourth Proportional to 337,022.92, 505,500.78 and 87,704.92

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Solution

The fourth proportional to 337,022.92, 505,500.78 and 87,704.92 is: 131,548.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,022.92 : 505,500.78 = 87,704.92 : x
  2. Step 2: Convert to fraction form
    337,022.92/505,500.78 = 87,704.92/x
  3. Step 3: Cross multiply
    337,022.92x = 505,500.78 × 87,704.92
  4. Step 4: Simplify right side
    337,022.92x = 44,334,905,469.84
  5. Step 5: Solve for x
    x = 44,334,905,469.84/337,022.92
  6. Step 6: Final answer
    x = 131,548.64

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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.