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Finding the Fourth Proportional to 322,484.70, 483,737.20 and 82,600.10

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Solution

The fourth proportional to 322,484.70, 483,737.20 and 82,600.10 is: 123,902.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,484.70 : 483,737.20 = 82,600.10 : x
  2. Step 2: Convert to fraction form
    322,484.70/483,737.20 = 82,600.10/x
  3. Step 3: Cross multiply
    322,484.70x = 483,737.20 × 82,600.10
  4. Step 4: Simplify right side
    322,484.70x = 39,956,740,282.55
  5. Step 5: Solve for x
    x = 39,956,740,282.55/322,484.70
  6. Step 6: Final answer
    x = 123,902.75

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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.