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Finding the Fourth Proportional to 252,243.92, 378,365.88 and 239,630.60

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Solution

The fourth proportional to 252,243.92, 378,365.88 and 239,630.60 is: 359,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,243.92 : 378,365.88 = 239,630.60 : x
  2. Step 2: Convert to fraction form
    252,243.92/378,365.88 = 239,630.60/x
  3. Step 3: Cross multiply
    252,243.92x = 378,365.88 × 239,630.60
  4. Step 4: Simplify right side
    252,243.92x = 90,668,042,843.93
  5. Step 5: Solve for x
    x = 90,668,042,843.93/252,243.92
  6. Step 6: Final answer
    x = 359,445.90

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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.