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Finding the Fourth Proportional to 175,253.60, 262,972.20 and 80,512.40

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Solution

The fourth proportional to 175,253.60, 262,972.20 and 80,512.40 is: 120,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,253.60 : 262,972.20 = 80,512.40 : x
  2. Step 2: Convert to fraction form
    175,253.60/262,972.20 = 80,512.40/x
  3. Step 3: Cross multiply
    175,253.60x = 262,972.20 × 80,512.40
  4. Step 4: Simplify right side
    175,253.60x = 21,172,522,955.28
  5. Step 5: Solve for x
    x = 21,172,522,955.28/175,253.60
  6. Step 6: Final answer
    x = 120,810.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.