Home / 439,249.14-658,421.19-172,901.70

Finding the Fourth Proportional to 439,249.14, 658,421.19 and 172,901.70

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Solution

The fourth proportional to 439,249.14, 658,421.19 and 172,901.70 is: 259,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,249.14 : 658,421.19 = 172,901.70 : x
  2. Step 2: Convert to fraction form
    439,249.14/658,421.19 = 172,901.70/x
  3. Step 3: Cross multiply
    439,249.14x = 658,421.19 × 172,901.70
  4. Step 4: Simplify right side
    439,249.14x = 113,842,143,067.02
  5. Step 5: Solve for x
    x = 113,842,143,067.02/439,249.14
  6. Step 6: Final answer
    x = 259,174.42

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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.