Home / 244,943.72-337,999-137,489.12

Finding the Fourth Proportional to 244,943.72, 337,999 and 137,489.12

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Solution

The fourth proportional to 244,943.72, 337,999 and 137,489.12 is: 189,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,943.72 : 337,999 = 137,489.12 : x
  2. Step 2: Convert to fraction form
    244,943.72/337,999 = 137,489.12/x
  3. Step 3: Cross multiply
    244,943.72x = 337,999 × 137,489.12
  4. Step 4: Simplify right side
    244,943.72x = 46,471,185,070.88
  5. Step 5: Solve for x
    x = 46,471,185,070.88/244,943.72
  6. Step 6: Final answer
    x = 189,721.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.