Home / 238,664.28-329,353.68-131,233.44

Finding the Fourth Proportional to 238,664.28, 329,353.68 and 131,233.44

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Solution

The fourth proportional to 238,664.28, 329,353.68 and 131,233.44 is: 181,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,664.28 : 329,353.68 = 131,233.44 : x
  2. Step 2: Convert to fraction form
    238,664.28/329,353.68 = 131,233.44/x
  3. Step 3: Cross multiply
    238,664.28x = 329,353.68 × 131,233.44
  4. Step 4: Simplify right side
    238,664.28x = 43,222,216,403.06
  5. Step 5: Solve for x
    x = 43,222,216,403.06/238,664.28
  6. Step 6: Final answer
    x = 181,100.48

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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.