Home / 394,958.10-592,677.70-142,217.44

Finding the Fourth Proportional to 394,958.10, 592,677.70 and 142,217.44

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Solution

The fourth proportional to 394,958.10, 592,677.70 and 142,217.44 is: 213,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,958.10 : 592,677.70 = 142,217.44 : x
  2. Step 2: Convert to fraction form
    394,958.10/592,677.70 = 142,217.44/x
  3. Step 3: Cross multiply
    394,958.10x = 592,677.70 × 142,217.44
  4. Step 4: Simplify right side
    394,958.10x = 84,289,105,239.09
  5. Step 5: Solve for x
    x = 84,289,105,239.09/394,958.10
  6. Step 6: Final answer
    x = 213,412.78

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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.