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Finding the Fourth Proportional to 376,227.82, 564,340.21 and 136,285.59

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Solution

The fourth proportional to 376,227.82, 564,340.21 and 136,285.59 is: 204,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,227.82 : 564,340.21 = 136,285.59 : x
  2. Step 2: Convert to fraction form
    376,227.82/564,340.21 = 136,285.59/x
  3. Step 3: Cross multiply
    376,227.82x = 564,340.21 × 136,285.59
  4. Step 4: Simplify right side
    376,227.82x = 76,911,438,139.86
  5. Step 5: Solve for x
    x = 76,911,438,139.86/376,227.82
  6. Step 6: Final answer
    x = 204,427.83

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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.