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Finding the Fourth Proportional to 376,340.88, 564,775.92 and 176,667.78

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Solution

The fourth proportional to 376,340.88, 564,775.92 and 176,667.78 is: 265,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,340.88 : 564,775.92 = 176,667.78 : x
  2. Step 2: Convert to fraction form
    376,340.88/564,775.92 = 176,667.78/x
  3. Step 3: Cross multiply
    376,340.88x = 564,775.92 × 176,667.78
  4. Step 4: Simplify right side
    376,340.88x = 99,777,707,983.86
  5. Step 5: Solve for x
    x = 99,777,707,983.86/376,340.88
  6. Step 6: Final answer
    x = 265,125.88

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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.