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Finding the Fourth Proportional to 268,492.60, 402,782.46 and 88,524.28

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Solution

The fourth proportional to 268,492.60, 402,782.46 and 88,524.28 is: 132,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,492.60 : 402,782.46 = 88,524.28 : x
  2. Step 2: Convert to fraction form
    268,492.60/402,782.46 = 88,524.28/x
  3. Step 3: Cross multiply
    268,492.60x = 402,782.46 × 88,524.28
  4. Step 4: Simplify right side
    268,492.60x = 35,656,027,268.13
  5. Step 5: Solve for x
    x = 35,656,027,268.13/268,492.60
  6. Step 6: Final answer
    x = 132,800.78

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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.