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Finding the Fourth Proportional to 238,995.84, 329,826.15 and 131,564.73

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Solution

The fourth proportional to 238,995.84, 329,826.15 and 131,564.73 is: 181,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,995.84 : 329,826.15 = 131,564.73 : x
  2. Step 2: Convert to fraction form
    238,995.84/329,826.15 = 131,564.73/x
  3. Step 3: Cross multiply
    238,995.84x = 329,826.15 × 131,564.73
  4. Step 4: Simplify right side
    238,995.84x = 43,393,488,371.69
  5. Step 5: Solve for x
    x = 43,393,488,371.69/238,995.84
  6. Step 6: Final answer
    x = 181,565.87

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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.