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Finding the Fourth Proportional to 342,536.67, 472,859.24 and 199,244.43

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Solution

The fourth proportional to 342,536.67, 472,859.24 and 199,244.43 is: 275,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,536.67 : 472,859.24 = 199,244.43 : x
  2. Step 2: Convert to fraction form
    342,536.67/472,859.24 = 199,244.43/x
  3. Step 3: Cross multiply
    342,536.67x = 472,859.24 × 199,244.43
  4. Step 4: Simplify right side
    342,536.67x = 94,214,568,747.81
  5. Step 5: Solve for x
    x = 94,214,568,747.81/342,536.67
  6. Step 6: Final answer
    x = 275,049.58

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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.