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Finding the Fourth Proportional to 272,255.60, 408,104.76 and 265,425.68

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Solution

The fourth proportional to 272,255.60, 408,104.76 and 265,425.68 is: 397,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,255.60 : 408,104.76 = 265,425.68 : x
  2. Step 2: Convert to fraction form
    272,255.60/408,104.76 = 265,425.68/x
  3. Step 3: Cross multiply
    272,255.60x = 408,104.76 × 265,425.68
  4. Step 4: Simplify right side
    272,255.60x = 108,321,483,434.24
  5. Step 5: Solve for x
    x = 108,321,483,434.24/272,255.60
  6. Step 6: Final answer
    x = 397,866.87

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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.