Home / 218,619.29-327,188.24-134,432.76

Finding the Fourth Proportional to 218,619.29, 327,188.24 and 134,432.76

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Solution

The fourth proportional to 218,619.29, 327,188.24 and 134,432.76 is: 201,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,619.29 : 327,188.24 = 134,432.76 : x
  2. Step 2: Convert to fraction form
    218,619.29/327,188.24 = 134,432.76/x
  3. Step 3: Cross multiply
    218,619.29x = 327,188.24 × 134,432.76
  4. Step 4: Simplify right side
    218,619.29x = 43,984,817,470.58
  5. Step 5: Solve for x
    x = 43,984,817,470.58/218,619.29
  6. Step 6: Final answer
    x = 201,193.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.