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Finding the Fourth Proportional to 229,426.20, 344,139.30 and 220,240.80

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Solution

The fourth proportional to 229,426.20, 344,139.30 and 220,240.80 is: 330,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,426.20 : 344,139.30 = 220,240.80 : x
  2. Step 2: Convert to fraction form
    229,426.20/344,139.30 = 220,240.80/x
  3. Step 3: Cross multiply
    229,426.20x = 344,139.30 × 220,240.80
  4. Step 4: Simplify right side
    229,426.20x = 75,793,514,743.44
  5. Step 5: Solve for x
    x = 75,793,514,743.44/229,426.20
  6. Step 6: Final answer
    x = 330,361.20

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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.