Home / 240,200,200.80-360,300,301.20-222,981,512.40

Finding the Fourth Proportional to 240,200,200.80, 360,300,301.20 and 222,981,512.40

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Solution

The fourth proportional to 240,200,200.80, 360,300,301.20 and 222,981,512.40 is: 334,472,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,200,200.80 : 360,300,301.20 = 222,981,512.40 : x
  2. Step 2: Convert to fraction form
    240,200,200.80/360,300,301.20 = 222,981,512.40/x
  3. Step 3: Cross multiply
    240,200,200.80x = 360,300,301.20 × 222,981,512.40
  4. Step 4: Simplify right side
    240,200,200.80x = 80,340,306,079,751,536
  5. Step 5: Solve for x
    x = 80,340,306,079,751,536/240,200,200.80
  6. Step 6: Final answer
    x = 334,472,268.60

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1.5x scale

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.