Home / 355,872.38-491,103.89-194,727.43

Finding the Fourth Proportional to 355,872.38, 491,103.89 and 194,727.43

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Solution

The fourth proportional to 355,872.38, 491,103.89 and 194,727.43 is: 268,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,872.38 : 491,103.89 = 194,727.43 : x
  2. Step 2: Convert to fraction form
    355,872.38/491,103.89 = 194,727.43/x
  3. Step 3: Cross multiply
    355,872.38x = 491,103.89 × 194,727.43
  4. Step 4: Simplify right side
    355,872.38x = 95,631,398,362.70
  5. Step 5: Solve for x
    x = 95,631,398,362.70/355,872.38
  6. Step 6: Final answer
    x = 268,723.86

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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.