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Finding the Fourth Proportional to 218,080.80, 327,121.20 and 93,434.40

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Solution

The fourth proportional to 218,080.80, 327,121.20 and 93,434.40 is: 140,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,080.80 : 327,121.20 = 93,434.40 : x
  2. Step 2: Convert to fraction form
    218,080.80/327,121.20 = 93,434.40/x
  3. Step 3: Cross multiply
    218,080.80x = 327,121.20 × 93,434.40
  4. Step 4: Simplify right side
    218,080.80x = 30,564,373,049.28
  5. Step 5: Solve for x
    x = 30,564,373,049.28/218,080.80
  6. Step 6: Final answer
    x = 140,151.60

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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.