Home / 382,678.22-574,067.45-126,425.61

Finding the Fourth Proportional to 382,678.22, 574,067.45 and 126,425.61

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Solution

The fourth proportional to 382,678.22, 574,067.45 and 126,425.61 is: 189,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,678.22 : 574,067.45 = 126,425.61 : x
  2. Step 2: Convert to fraction form
    382,678.22/574,067.45 = 126,425.61/x
  3. Step 3: Cross multiply
    382,678.22x = 574,067.45 × 126,425.61
  4. Step 4: Simplify right side
    382,678.22x = 72,576,827,863.46
  5. Step 5: Solve for x
    x = 72,576,827,863.46/382,678.22
  6. Step 6: Final answer
    x = 189,654.97

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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.