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Finding the Fourth Proportional to 252,282, 378,330.56 and 83,771.76

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Solution

The fourth proportional to 252,282, 378,330.56 and 83,771.76 is: 125,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,282 : 378,330.56 = 83,771.76 : x
  2. Step 2: Convert to fraction form
    252,282/378,330.56 = 83,771.76/x
  3. Step 3: Cross multiply
    252,282x = 378,330.56 × 83,771.76
  4. Step 4: Simplify right side
    252,282x = 31,693,416,872.99
  5. Step 5: Solve for x
    x = 31,693,416,872.99/252,282
  6. Step 6: Final answer
    x = 125,626.94

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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.