Home / 206,899.86-309,919.22-199,762.14

Finding the Fourth Proportional to 206,899.86, 309,919.22 and 199,762.14

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Solution

The fourth proportional to 206,899.86, 309,919.22 and 199,762.14 is: 299,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,899.86 : 309,919.22 = 199,762.14 : x
  2. Step 2: Convert to fraction form
    206,899.86/309,919.22 = 199,762.14/x
  3. Step 3: Cross multiply
    206,899.86x = 309,919.22 × 199,762.14
  4. Step 4: Simplify right side
    206,899.86x = 61,910,126,614.33
  5. Step 5: Solve for x
    x = 61,910,126,614.33/206,899.86
  6. Step 6: Final answer
    x = 299,227.49

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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.