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Finding the Fourth Proportional to 335,231.92, 502,846.56 and 135,549.88

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Solution

The fourth proportional to 335,231.92, 502,846.56 and 135,549.88 is: 203,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,231.92 : 502,846.56 = 135,549.88 : x
  2. Step 2: Convert to fraction form
    335,231.92/502,846.56 = 135,549.88/x
  3. Step 3: Cross multiply
    335,231.92x = 502,846.56 × 135,549.88
  4. Step 4: Simplify right side
    335,231.92x = 68,160,790,866.41
  5. Step 5: Solve for x
    x = 68,160,790,866.41/335,231.92
  6. Step 6: Final answer
    x = 203,324.29

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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.