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Finding the Fourth Proportional to 238,781.67, 329,511.67 and 131,351.64

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Solution

The fourth proportional to 238,781.67, 329,511.67 and 131,351.64 is: 181,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,781.67 : 329,511.67 = 131,351.64 : x
  2. Step 2: Convert to fraction form
    238,781.67/329,511.67 = 131,351.64/x
  3. Step 3: Cross multiply
    238,781.67x = 329,511.67 × 131,351.64
  4. Step 4: Simplify right side
    238,781.67x = 43,281,898,253.64
  5. Step 5: Solve for x
    x = 43,281,898,253.64/238,781.67
  6. Step 6: Final answer
    x = 181,261.39

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1.5x scale

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.