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Finding the Fourth Proportional to 359,609.88, 496,244.82 and 206,540.40

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Solution

The fourth proportional to 359,609.88, 496,244.82 and 206,540.40 is: 285,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,609.88 : 496,244.82 = 206,540.40 : x
  2. Step 2: Convert to fraction form
    359,609.88/496,244.82 = 206,540.40/x
  3. Step 3: Cross multiply
    359,609.88x = 496,244.82 × 206,540.40
  4. Step 4: Simplify right side
    359,609.88x = 102,494,603,620.73
  5. Step 5: Solve for x
    x = 102,494,603,620.73/359,609.88
  6. Step 6: Final answer
    x = 285,016.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.