Home / 326,645.64-450,819.81-199,395.18

Finding the Fourth Proportional to 326,645.64, 450,819.81 and 199,395.18

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Solution

The fourth proportional to 326,645.64, 450,819.81 and 199,395.18 is: 275,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,645.64 : 450,819.81 = 199,395.18 : x
  2. Step 2: Convert to fraction form
    326,645.64/450,819.81 = 199,395.18/x
  3. Step 3: Cross multiply
    326,645.64x = 450,819.81 × 199,395.18
  4. Step 4: Simplify right side
    326,645.64x = 89,891,297,162.52
  5. Step 5: Solve for x
    x = 89,891,297,162.52/326,645.64
  6. Step 6: Final answer
    x = 275,195.15

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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.