Home / 276,765.01-381,972.36-155,930.23

Finding the Fourth Proportional to 276,765.01, 381,972.36 and 155,930.23

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Solution

The fourth proportional to 276,765.01, 381,972.36 and 155,930.23 is: 215,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,765.01 : 381,972.36 = 155,930.23 : x
  2. Step 2: Convert to fraction form
    276,765.01/381,972.36 = 155,930.23/x
  3. Step 3: Cross multiply
    276,765.01x = 381,972.36 × 155,930.23
  4. Step 4: Simplify right side
    276,765.01x = 59,561,037,948.44
  5. Step 5: Solve for x
    x = 59,561,037,948.44/276,765.01
  6. Step 6: Final answer
    x = 215,204.36

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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.