Home / 355,892.79-491,132.04-194,747.86

Finding the Fourth Proportional to 355,892.79, 491,132.04 and 194,747.86

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Solution

The fourth proportional to 355,892.79, 491,132.04 and 194,747.86 is: 268,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,892.79 : 491,132.04 = 194,747.86 : x
  2. Step 2: Convert to fraction form
    355,892.79/491,132.04 = 194,747.86/x
  3. Step 3: Cross multiply
    355,892.79x = 491,132.04 × 194,747.86
  4. Step 4: Simplify right side
    355,892.79x = 95,646,913,651.05
  5. Step 5: Solve for x
    x = 95,646,913,651.05/355,892.79
  6. Step 6: Final answer
    x = 268,752.04

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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.