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Finding the Fourth Proportional to 468,871.20, 703,306.82 and 113,882.83

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Solution

The fourth proportional to 468,871.20, 703,306.82 and 113,882.83 is: 170,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,871.20 : 703,306.82 = 113,882.83 : x
  2. Step 2: Convert to fraction form
    468,871.20/703,306.82 = 113,882.83/x
  3. Step 3: Cross multiply
    468,871.20x = 703,306.82 × 113,882.83
  4. Step 4: Simplify right side
    468,871.20x = 80,094,571,019.90
  5. Step 5: Solve for x
    x = 80,094,571,019.90/468,871.20
  6. Step 6: Final answer
    x = 170,824.25

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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.