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Finding the Fourth Proportional to 275,764.35, 380,534.05 and 154,882.02

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Solution

The fourth proportional to 275,764.35, 380,534.05 and 154,882.02 is: 213,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,764.35 : 380,534.05 = 154,882.02 : x
  2. Step 2: Convert to fraction form
    275,764.35/380,534.05 = 154,882.02/x
  3. Step 3: Cross multiply
    275,764.35x = 380,534.05 × 154,882.02
  4. Step 4: Simplify right side
    275,764.35x = 58,937,883,963.39
  5. Step 5: Solve for x
    x = 58,937,883,963.39/275,764.35
  6. Step 6: Final answer
    x = 213,725.54

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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.