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Finding the Fourth Proportional to 268,539, 402,722.51 and 88,584.15

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Solution

The fourth proportional to 268,539, 402,722.51 and 88,584.15 is: 132,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,539 : 402,722.51 = 88,584.15 : x
  2. Step 2: Convert to fraction form
    268,539/402,722.51 = 88,584.15/x
  3. Step 3: Cross multiply
    268,539x = 402,722.51 × 88,584.15
  4. Step 4: Simplify right side
    268,539x = 35,674,830,791.30
  5. Step 5: Solve for x
    x = 35,674,830,791.30/268,539
  6. Step 6: Final answer
    x = 132,847.86

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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.