Home / 326,829.52-451,073.83-199,578.52

Finding the Fourth Proportional to 326,829.52, 451,073.83 and 199,578.52

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Solution

The fourth proportional to 326,829.52, 451,073.83 and 199,578.52 is: 275,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,829.52 : 451,073.83 = 199,578.52 : x
  2. Step 2: Convert to fraction form
    326,829.52/451,073.83 = 199,578.52/x
  3. Step 3: Cross multiply
    326,829.52x = 451,073.83 × 199,578.52
  4. Step 4: Simplify right side
    326,829.52x = 90,024,647,402.13
  5. Step 5: Solve for x
    x = 90,024,647,402.13/326,829.52
  6. Step 6: Final answer
    x = 275,448.34

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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.