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Finding the Fourth Proportional to 337,639.37, 506,272.07 and 138,099.87

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Solution

The fourth proportional to 337,639.37, 506,272.07 and 138,099.87 is: 207,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,639.37 : 506,272.07 = 138,099.87 : x
  2. Step 2: Convert to fraction form
    337,639.37/506,272.07 = 138,099.87/x
  3. Step 3: Cross multiply
    337,639.37x = 506,272.07 × 138,099.87
  4. Step 4: Simplify right side
    337,639.37x = 69,916,107,396.88
  5. Step 5: Solve for x
    x = 69,916,107,396.88/337,639.37
  6. Step 6: Final answer
    x = 207,073.33

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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.