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Finding the Fourth Proportional to 220,202.80, 330,304.20 and 95,786.80

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Solution

The fourth proportional to 220,202.80, 330,304.20 and 95,786.80 is: 143,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,202.80 : 330,304.20 = 95,786.80 : x
  2. Step 2: Convert to fraction form
    220,202.80/330,304.20 = 95,786.80/x
  3. Step 3: Cross multiply
    220,202.80x = 330,304.20 × 95,786.80
  4. Step 4: Simplify right side
    220,202.80x = 31,638,782,344.56
  5. Step 5: Solve for x
    x = 31,638,782,344.56/220,202.80
  6. Step 6: Final answer
    x = 143,680.20

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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.