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Finding the Fourth Proportional to 337,077.12, 505,491.60 and 137,289

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Solution

The fourth proportional to 337,077.12, 505,491.60 and 137,289 is: 205,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,077.12 : 505,491.60 = 137,289 : x
  2. Step 2: Convert to fraction form
    337,077.12/505,491.60 = 137,289/x
  3. Step 3: Cross multiply
    337,077.12x = 505,491.60 × 137,289
  4. Step 4: Simplify right side
    337,077.12x = 69,398,436,272.40
  5. Step 5: Solve for x
    x = 69,398,436,272.40/337,077.12
  6. Step 6: Final answer
    x = 205,882.96

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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.