Home / 396,293.20-594,484.89-143,692.66

Finding the Fourth Proportional to 396,293.20, 594,484.89 and 143,692.66

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Solution

The fourth proportional to 396,293.20, 594,484.89 and 143,692.66 is: 215,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,293.20 : 594,484.89 = 143,692.66 : x
  2. Step 2: Convert to fraction form
    396,293.20/594,484.89 = 143,692.66/x
  3. Step 3: Cross multiply
    396,293.20x = 594,484.89 × 143,692.66
  4. Step 4: Simplify right side
    396,293.20x = 85,423,115,173.91
  5. Step 5: Solve for x
    x = 85,423,115,173.91/396,293.20
  6. Step 6: Final answer
    x = 215,555.34

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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.