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Finding the Fourth Proportional to 322,799.28, 484,276.65 and 101,183.28

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Solution

The fourth proportional to 322,799.28, 484,276.65 and 101,183.28 is: 151,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,799.28 : 484,276.65 = 101,183.28 : x
  2. Step 2: Convert to fraction form
    322,799.28/484,276.65 = 101,183.28/x
  3. Step 3: Cross multiply
    322,799.28x = 484,276.65 × 101,183.28
  4. Step 4: Simplify right side
    322,799.28x = 49,000,699,874.41
  5. Step 5: Solve for x
    x = 49,000,699,874.41/322,799.28
  6. Step 6: Final answer
    x = 151,799.28

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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.