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Finding the Fourth Proportional to 308,197.62, 425,037.38 and 193,486.97

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Solution

The fourth proportional to 308,197.62, 425,037.38 and 193,486.97 is: 266,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,197.62 : 425,037.38 = 193,486.97 : x
  2. Step 2: Convert to fraction form
    308,197.62/425,037.38 = 193,486.97/x
  3. Step 3: Cross multiply
    308,197.62x = 425,037.38 × 193,486.97
  4. Step 4: Simplify right side
    308,197.62x = 82,239,191,899.55
  5. Step 5: Solve for x
    x = 82,239,191,899.55/308,197.62
  6. Step 6: Final answer
    x = 266,839.15

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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.