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Finding the Fourth Proportional to 356,404.63, 491,839.29 and 195,262.87

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Solution

The fourth proportional to 356,404.63, 491,839.29 and 195,262.87 is: 269,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,404.63 : 491,839.29 = 195,262.87 : x
  2. Step 2: Convert to fraction form
    356,404.63/491,839.29 = 195,262.87/x
  3. Step 3: Cross multiply
    356,404.63x = 491,839.29 × 195,262.87
  4. Step 4: Simplify right side
    356,404.63x = 96,037,951,344.16
  5. Step 5: Solve for x
    x = 96,037,951,344.16/356,404.63
  6. Step 6: Final answer
    x = 269,463.25

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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.