Home / 218,515.20-327,675.60-100,222.80

Finding the Fourth Proportional to 218,515.20, 327,675.60 and 100,222.80

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Solution

The fourth proportional to 218,515.20, 327,675.60 and 100,222.80 is: 150,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,515.20 : 327,675.60 = 100,222.80 : x
  2. Step 2: Convert to fraction form
    218,515.20/327,675.60 = 100,222.80/x
  3. Step 3: Cross multiply
    218,515.20x = 327,675.60 × 100,222.80
  4. Step 4: Simplify right side
    218,515.20x = 32,840,566,123.68
  5. Step 5: Solve for x
    x = 32,840,566,123.68/218,515.20
  6. Step 6: Final answer
    x = 150,289.62

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1.5x scale

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.