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Finding the Fourth Proportional to 238,600.81, 329,264.76 and 131,169.88

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Solution

The fourth proportional to 238,600.81, 329,264.76 and 131,169.88 is: 181,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,600.81 : 329,264.76 = 131,169.88 : x
  2. Step 2: Convert to fraction form
    238,600.81/329,264.76 = 131,169.88/x
  3. Step 3: Cross multiply
    238,600.81x = 329,264.76 × 131,169.88
  4. Step 4: Simplify right side
    238,600.81x = 43,189,619,057.43
  5. Step 5: Solve for x
    x = 43,189,619,057.43/238,600.81
  6. Step 6: Final answer
    x = 181,012.04

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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.