Home / 238,732.89-329,449.67-131,300.61

Finding the Fourth Proportional to 238,732.89, 329,449.67 and 131,300.61

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Solution

The fourth proportional to 238,732.89, 329,449.67 and 131,300.61 is: 181,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,732.89 : 329,449.67 = 131,300.61 : x
  2. Step 2: Convert to fraction form
    238,732.89/329,449.67 = 131,300.61/x
  3. Step 3: Cross multiply
    238,732.89x = 329,449.67 × 131,300.61
  4. Step 4: Simplify right side
    238,732.89x = 43,256,941,978.80
  5. Step 5: Solve for x
    x = 43,256,941,978.80/238,732.89
  6. Step 6: Final answer
    x = 181,193.89

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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.