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Finding the Fourth Proportional to 229,797.20, 344,976.60 and 130,026.80

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Solution

The fourth proportional to 229,797.20, 344,976.60 and 130,026.80 is: 195,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,797.20 : 344,976.60 = 130,026.80 : x
  2. Step 2: Convert to fraction form
    229,797.20/344,976.60 = 130,026.80/x
  3. Step 3: Cross multiply
    229,797.20x = 344,976.60 × 130,026.80
  4. Step 4: Simplify right side
    229,797.20x = 44,856,203,372.88
  5. Step 5: Solve for x
    x = 44,856,203,372.88/229,797.20
  6. Step 6: Final answer
    x = 195,199.09

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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.