Home / 220,346.72-330,517.20-54,136.16

Finding the Fourth Proportional to 220,346.72, 330,517.20 and 54,136.16

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Solution

The fourth proportional to 220,346.72, 330,517.20 and 54,136.16 is: 81,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,346.72 : 330,517.20 = 54,136.16 : x
  2. Step 2: Convert to fraction form
    220,346.72/330,517.20 = 54,136.16/x
  3. Step 3: Cross multiply
    220,346.72x = 330,517.20 × 54,136.16
  4. Step 4: Simplify right side
    220,346.72x = 17,892,932,021.95
  5. Step 5: Solve for x
    x = 17,892,932,021.95/220,346.72
  6. Step 6: Final answer
    x = 81,203.53

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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.