Home / 220,504.12-330,756.18-54,292.12

Finding the Fourth Proportional to 220,504.12, 330,756.18 and 54,292.12

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Solution

The fourth proportional to 220,504.12, 330,756.18 and 54,292.12 is: 81,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,504.12 : 330,756.18 = 54,292.12 : x
  2. Step 2: Convert to fraction form
    220,504.12/330,756.18 = 54,292.12/x
  3. Step 3: Cross multiply
    220,504.12x = 330,756.18 × 54,292.12
  4. Step 4: Simplify right side
    220,504.12x = 17,957,454,215.30
  5. Step 5: Solve for x
    x = 17,957,454,215.30/220,504.12
  6. Step 6: Final answer
    x = 81,438.18

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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.