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Finding the Fourth Proportional to 337,144.91, 505,715.54 and 137,464.52

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Solution

The fourth proportional to 337,144.91, 505,715.54 and 137,464.52 is: 206,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,144.91 : 505,715.54 = 137,464.52 : x
  2. Step 2: Convert to fraction form
    337,144.91/505,715.54 = 137,464.52/x
  3. Step 3: Cross multiply
    337,144.91x = 505,715.54 × 137,464.52
  4. Step 4: Simplify right side
    337,144.91x = 69,517,940,746.74
  5. Step 5: Solve for x
    x = 69,517,940,746.74/337,144.91
  6. Step 6: Final answer
    x = 206,196.03

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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.