Home / 238,827.80-329,575.38-131,397.80

Finding the Fourth Proportional to 238,827.80, 329,575.38 and 131,397.80

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Solution

The fourth proportional to 238,827.80, 329,575.38 and 131,397.80 is: 181,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,827.80 : 329,575.38 = 131,397.80 : x
  2. Step 2: Convert to fraction form
    238,827.80/329,575.38 = 131,397.80/x
  3. Step 3: Cross multiply
    238,827.80x = 329,575.38 × 131,397.80
  4. Step 4: Simplify right side
    238,827.80x = 43,305,479,866.16
  5. Step 5: Solve for x
    x = 43,305,479,866.16/238,827.80
  6. Step 6: Final answer
    x = 181,325.12

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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.