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Finding the Fourth Proportional to 255,199.28, 352,160 and 147,761.68

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Solution

The fourth proportional to 255,199.28, 352,160 and 147,761.68 is: 203,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,199.28 : 352,160 = 147,761.68 : x
  2. Step 2: Convert to fraction form
    255,199.28/352,160 = 147,761.68/x
  3. Step 3: Cross multiply
    255,199.28x = 352,160 × 147,761.68
  4. Step 4: Simplify right side
    255,199.28x = 52,035,753,228.80
  5. Step 5: Solve for x
    x = 52,035,753,228.80/255,199.28
  6. Step 6: Final answer
    x = 203,902.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.