Home / 218,025.18-327,084.92-66,209.77

Finding the Fourth Proportional to 218,025.18, 327,084.92 and 66,209.77

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Solution

The fourth proportional to 218,025.18, 327,084.92 and 66,209.77 is: 99,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,025.18 : 327,084.92 = 66,209.77 : x
  2. Step 2: Convert to fraction form
    218,025.18/327,084.92 = 66,209.77/x
  3. Step 3: Cross multiply
    218,025.18x = 327,084.92 × 66,209.77
  4. Step 4: Simplify right side
    218,025.18x = 21,656,217,323.67
  5. Step 5: Solve for x
    x = 21,656,217,323.67/218,025.18
  6. Step 6: Final answer
    x = 99,328.97

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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.