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Finding the Fourth Proportional to 272,256.60, 408,106.26 and 265,426.68

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Solution

The fourth proportional to 272,256.60, 408,106.26 and 265,426.68 is: 397,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,256.60 : 408,106.26 = 265,426.68 : x
  2. Step 2: Convert to fraction form
    272,256.60/408,106.26 = 265,426.68/x
  3. Step 3: Cross multiply
    272,256.60x = 408,106.26 × 265,426.68
  4. Step 4: Simplify right side
    272,256.60x = 108,322,289,679.02
  5. Step 5: Solve for x
    x = 108,322,289,679.02/272,256.60
  6. Step 6: Final answer
    x = 397,868.37

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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.