Home / 238,839.30-329,603.34-131,409.64

Finding the Fourth Proportional to 238,839.30, 329,603.34 and 131,409.64

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Solution

The fourth proportional to 238,839.30, 329,603.34 and 131,409.64 is: 181,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,839.30 : 329,603.34 = 131,409.64 : x
  2. Step 2: Convert to fraction form
    238,839.30/329,603.34 = 131,409.64/x
  3. Step 3: Cross multiply
    238,839.30x = 329,603.34 × 131,409.64
  4. Step 4: Simplify right side
    238,839.30x = 43,313,056,252.20
  5. Step 5: Solve for x
    x = 43,313,056,252.20/238,839.30
  6. Step 6: Final answer
    x = 181,348.11

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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.