Home / 396,286.38-594,277.32-143,492.07

Finding the Fourth Proportional to 396,286.38, 594,277.32 and 143,492.07

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Solution

The fourth proportional to 396,286.38, 594,277.32 and 143,492.07 is: 215,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,286.38 : 594,277.32 = 143,492.07 : x
  2. Step 2: Convert to fraction form
    396,286.38/594,277.32 = 143,492.07/x
  3. Step 3: Cross multiply
    396,286.38x = 594,277.32 × 143,492.07
  4. Step 4: Simplify right side
    396,286.38x = 85,274,082,800.85
  5. Step 5: Solve for x
    x = 85,274,082,800.85/396,286.38
  6. Step 6: Final answer
    x = 215,182.98

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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.