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Finding the Fourth Proportional to 363,992.68, 546,032.76 and 344,086.12

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Solution

The fourth proportional to 363,992.68, 546,032.76 and 344,086.12 is: 516,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,992.68 : 546,032.76 = 344,086.12 : x
  2. Step 2: Convert to fraction form
    363,992.68/546,032.76 = 344,086.12/x
  3. Step 3: Cross multiply
    363,992.68x = 546,032.76 × 344,086.12
  4. Step 4: Simplify right side
    363,992.68x = 187,882,293,781.29
  5. Step 5: Solve for x
    x = 187,882,293,781.29/363,992.68
  6. Step 6: Final answer
    x = 516,170.53

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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.