Home / 396,287.32-594,476.09-143,686.77

Finding the Fourth Proportional to 396,287.32, 594,476.09 and 143,686.77

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Solution

The fourth proportional to 396,287.32, 594,476.09 and 143,686.77 is: 215,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,287.32 : 594,476.09 = 143,686.77 : x
  2. Step 2: Convert to fraction form
    396,287.32/594,476.09 = 143,686.77/x
  3. Step 3: Cross multiply
    396,287.32x = 594,476.09 × 143,686.77
  4. Step 4: Simplify right side
    396,287.32x = 85,418,349,214.33
  5. Step 5: Solve for x
    x = 85,418,349,214.33/396,287.32
  6. Step 6: Final answer
    x = 215,546.51

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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.