Home / 229,322.20-343,983.30-220,136.80

Finding the Fourth Proportional to 229,322.20, 343,983.30 and 220,136.80

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Solution

The fourth proportional to 229,322.20, 343,983.30 and 220,136.80 is: 330,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,322.20 : 343,983.30 = 220,136.80 : x
  2. Step 2: Convert to fraction form
    229,322.20/343,983.30 = 220,136.80/x
  3. Step 3: Cross multiply
    229,322.20x = 343,983.30 × 220,136.80
  4. Step 4: Simplify right side
    229,322.20x = 75,723,382,915.44
  5. Step 5: Solve for x
    x = 75,723,382,915.44/229,322.20
  6. Step 6: Final answer
    x = 330,205.20

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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.