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Finding the Fourth Proportional to 303,701.44, 418,881.48 and 269,286.56

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Solution

The fourth proportional to 303,701.44, 418,881.48 and 269,286.56 is: 371,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,701.44 : 418,881.48 = 269,286.56 : x
  2. Step 2: Convert to fraction form
    303,701.44/418,881.48 = 269,286.56/x
  3. Step 3: Cross multiply
    303,701.44x = 418,881.48 × 269,286.56
  4. Step 4: Simplify right side
    303,701.44x = 112,799,152,796.91
  5. Step 5: Solve for x
    x = 112,799,152,796.91/303,701.44
  6. Step 6: Final answer
    x = 371,414.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.