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Finding the Fourth Proportional to 273,769.34, 377,797.70 and 152,912.34

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Solution

The fourth proportional to 273,769.34, 377,797.70 and 152,912.34 is: 211,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,769.34 : 377,797.70 = 152,912.34 : x
  2. Step 2: Convert to fraction form
    273,769.34/377,797.70 = 152,912.34/x
  3. Step 3: Cross multiply
    273,769.34x = 377,797.70 × 152,912.34
  4. Step 4: Simplify right side
    273,769.34x = 57,769,930,735.90
  5. Step 5: Solve for x
    x = 57,769,930,735.90/273,769.34
  6. Step 6: Final answer
    x = 211,016.81

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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.