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Finding the Fourth Proportional to 376,463.82, 519,520.92 and 206,708.88

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Solution

The fourth proportional to 376,463.82, 519,520.92 and 206,708.88 is: 285,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,463.82 : 519,520.92 = 206,708.88 : x
  2. Step 2: Convert to fraction form
    376,463.82/519,520.92 = 206,708.88/x
  3. Step 3: Cross multiply
    376,463.82x = 519,520.92 × 206,708.88
  4. Step 4: Simplify right side
    376,463.82x = 107,389,587,509.77
  5. Step 5: Solve for x
    x = 107,389,587,509.77/376,463.82
  6. Step 6: Final answer
    x = 285,258.72

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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.