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Finding the Fourth Proportional to 490,627.82, 736,227.26 and 206,297.78

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Solution

The fourth proportional to 490,627.82, 736,227.26 and 206,297.78 is: 309,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,627.82 : 736,227.26 = 206,297.78 : x
  2. Step 2: Convert to fraction form
    490,627.82/736,227.26 = 206,297.78/x
  3. Step 3: Cross multiply
    490,627.82x = 736,227.26 × 206,297.78
  4. Step 4: Simplify right side
    490,627.82x = 151,882,044,600.86
  5. Step 5: Solve for x
    x = 151,882,044,600.86/490,627.82
  6. Step 6: Final answer
    x = 309,566.72

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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.