Home / 218,554.20-327,734.10-100,261.80

Finding the Fourth Proportional to 218,554.20, 327,734.10 and 100,261.80

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Solution

The fourth proportional to 218,554.20, 327,734.10 and 100,261.80 is: 150,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,554.20 : 327,734.10 = 100,261.80 : x
  2. Step 2: Convert to fraction form
    218,554.20/327,734.10 = 100,261.80/x
  3. Step 3: Cross multiply
    218,554.20x = 327,734.10 × 100,261.80
  4. Step 4: Simplify right side
    218,554.20x = 32,859,210,787.38
  5. Step 5: Solve for x
    x = 32,859,210,787.38/218,554.20
  6. Step 6: Final answer
    x = 150,348.11

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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.