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Finding the Fourth Proportional to 295,882.20, 443,604.60 and 162,912.60

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Solution

The fourth proportional to 295,882.20, 443,604.60 and 162,912.60 is: 244,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,882.20 : 443,604.60 = 162,912.60 : x
  2. Step 2: Convert to fraction form
    295,882.20/443,604.60 = 162,912.60/x
  3. Step 3: Cross multiply
    295,882.20x = 443,604.60 × 162,912.60
  4. Step 4: Simplify right side
    295,882.20x = 72,268,778,757.96
  5. Step 5: Solve for x
    x = 72,268,778,757.96/295,882.20
  6. Step 6: Final answer
    x = 244,248.48

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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.