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Finding the Fourth Proportional to 201,269.60, 277,754.20 and 109,388.88

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Solution

The fourth proportional to 201,269.60, 277,754.20 and 109,388.88 is: 150,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,269.60 : 277,754.20 = 109,388.88 : x
  2. Step 2: Convert to fraction form
    201,269.60/277,754.20 = 109,388.88/x
  3. Step 3: Cross multiply
    201,269.60x = 277,754.20 × 109,388.88
  4. Step 4: Simplify right side
    201,269.60x = 30,383,220,579.82
  5. Step 5: Solve for x
    x = 30,383,220,579.82/201,269.60
  6. Step 6: Final answer
    x = 150,957.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.