Home / 238,905.32-329,689.38-131,483

Finding the Fourth Proportional to 238,905.32, 329,689.38 and 131,483

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Solution

The fourth proportional to 238,905.32, 329,689.38 and 131,483 is: 181,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,905.32 : 329,689.38 = 131,483 : x
  2. Step 2: Convert to fraction form
    238,905.32/329,689.38 = 131,483/x
  3. Step 3: Cross multiply
    238,905.32x = 329,689.38 × 131,483
  4. Step 4: Simplify right side
    238,905.32x = 43,348,548,750.54
  5. Step 5: Solve for x
    x = 43,348,548,750.54/238,905.32
  6. Step 6: Final answer
    x = 181,446.56

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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.