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Finding the Fourth Proportional to 335,049.13, 502,598.13 and 124,687

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Solution

The fourth proportional to 335,049.13, 502,598.13 and 124,687 is: 187,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,049.13 : 502,598.13 = 124,687 : x
  2. Step 2: Convert to fraction form
    335,049.13/502,598.13 = 124,687/x
  3. Step 3: Cross multiply
    335,049.13x = 502,598.13 × 124,687
  4. Step 4: Simplify right side
    335,049.13x = 62,667,453,035.31
  5. Step 5: Solve for x
    x = 62,667,453,035.31/335,049.13
  6. Step 6: Final answer
    x = 187,039.59

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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.