Home / 396,385.14-594,576.05-143,606.37

Finding the Fourth Proportional to 396,385.14, 594,576.05 and 143,606.37

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Solution

The fourth proportional to 396,385.14, 594,576.05 and 143,606.37 is: 215,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,385.14 : 594,576.05 = 143,606.37 : x
  2. Step 2: Convert to fraction form
    396,385.14/594,576.05 = 143,606.37/x
  3. Step 3: Cross multiply
    396,385.14x = 594,576.05 × 143,606.37
  4. Step 4: Simplify right side
    396,385.14x = 85,384,906,396.58
  5. Step 5: Solve for x
    x = 85,384,906,396.58/396,385.14
  6. Step 6: Final answer
    x = 215,408.95

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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.