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Finding the Fourth Proportional to 634,196.38, 950,027.12 and 381,338.44

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Solution

The fourth proportional to 634,196.38, 950,027.12 and 381,338.44 is: 571,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,196.38 : 950,027.12 = 381,338.44 : x
  2. Step 2: Convert to fraction form
    634,196.38/950,027.12 = 381,338.44/x
  3. Step 3: Cross multiply
    634,196.38x = 950,027.12 × 381,338.44
  4. Step 4: Simplify right side
    634,196.38x = 362,281,859,898.49
  5. Step 5: Solve for x
    x = 362,281,859,898.49/634,196.38
  6. Step 6: Final answer
    x = 571,245.55

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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.