Home / 218,233.13-327,429.66-91,905.18

Finding the Fourth Proportional to 218,233.13, 327,429.66 and 91,905.18

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Solution

The fourth proportional to 218,233.13, 327,429.66 and 91,905.18 is: 137,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,233.13 : 327,429.66 = 91,905.18 : x
  2. Step 2: Convert to fraction form
    218,233.13/327,429.66 = 91,905.18/x
  3. Step 3: Cross multiply
    218,233.13x = 327,429.66 × 91,905.18
  4. Step 4: Simplify right side
    218,233.13x = 30,092,480,439.46
  5. Step 5: Solve for x
    x = 30,092,480,439.46/218,233.13
  6. Step 6: Final answer
    x = 137,891.44

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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.