Home / 238,654.46-329,344.37-131,231.45

Finding the Fourth Proportional to 238,654.46, 329,344.37 and 131,231.45

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Solution

The fourth proportional to 238,654.46, 329,344.37 and 131,231.45 is: 181,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,654.46 : 329,344.37 = 131,231.45 : x
  2. Step 2: Convert to fraction form
    238,654.46/329,344.37 = 131,231.45/x
  3. Step 3: Cross multiply
    238,654.46x = 329,344.37 × 131,231.45
  4. Step 4: Simplify right side
    238,654.46x = 43,220,336,921.56
  5. Step 5: Solve for x
    x = 43,220,336,921.56/238,654.46
  6. Step 6: Final answer
    x = 181,100.06

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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.