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Finding the Fourth Proportional to 180,251.55, 270,377.33 and 151,711.20

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Solution

The fourth proportional to 180,251.55, 270,377.33 and 151,711.20 is: 227,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,251.55 : 270,377.33 = 151,711.20 : x
  2. Step 2: Convert to fraction form
    180,251.55/270,377.33 = 151,711.20/x
  3. Step 3: Cross multiply
    180,251.55x = 270,377.33 × 151,711.20
  4. Step 4: Simplify right side
    180,251.55x = 41,019,268,428.54
  5. Step 5: Solve for x
    x = 41,019,268,428.54/180,251.55
  6. Step 6: Final answer
    x = 227,566.80

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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.