Home / 276,388.19-381,623.56-271,974.20

Finding the Fourth Proportional to 276,388.19, 381,623.56 and 271,974.20

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Solution

The fourth proportional to 276,388.19, 381,623.56 and 271,974.20 is: 375,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,388.19 : 381,623.56 = 271,974.20 : x
  2. Step 2: Convert to fraction form
    276,388.19/381,623.56 = 271,974.20/x
  3. Step 3: Cross multiply
    276,388.19x = 381,623.56 × 271,974.20
  4. Step 4: Simplify right side
    276,388.19x = 103,791,759,844.10
  5. Step 5: Solve for x
    x = 103,791,759,844.10/276,388.19
  6. Step 6: Final answer
    x = 375,528.93

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1.5x scale

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.