Home / 360,974.26-498,138.51-199,825.90

Finding the Fourth Proportional to 360,974.26, 498,138.51 and 199,825.90

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Solution

The fourth proportional to 360,974.26, 498,138.51 and 199,825.90 is: 275,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,974.26 : 498,138.51 = 199,825.90 : x
  2. Step 2: Convert to fraction form
    360,974.26/498,138.51 = 199,825.90/x
  3. Step 3: Cross multiply
    360,974.26x = 498,138.51 × 199,825.90
  4. Step 4: Simplify right side
    360,974.26x = 99,540,976,085.41
  5. Step 5: Solve for x
    x = 99,540,976,085.41/360,974.26
  6. Step 6: Final answer
    x = 275,756.44

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1.5x scale

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.