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Finding the Fourth Proportional to 303,758.43, 419,169.26 and 181,388.89

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Solution

The fourth proportional to 303,758.43, 419,169.26 and 181,388.89 is: 250,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,758.43 : 419,169.26 = 181,388.89 : x
  2. Step 2: Convert to fraction form
    303,758.43/419,169.26 = 181,388.89/x
  3. Step 3: Cross multiply
    303,758.43x = 419,169.26 × 181,388.89
  4. Step 4: Simplify right side
    303,758.43x = 76,032,645,966.09
  5. Step 5: Solve for x
    x = 76,032,645,966.09/303,758.43
  6. Step 6: Final answer
    x = 250,306.29

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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.