Home / 276,680.53-381,837.71-154,191.92

Finding the Fourth Proportional to 276,680.53, 381,837.71 and 154,191.92

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Solution

The fourth proportional to 276,680.53, 381,837.71 and 154,191.92 is: 212,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,680.53 : 381,837.71 = 154,191.92 : x
  2. Step 2: Convert to fraction form
    276,680.53/381,837.71 = 154,191.92/x
  3. Step 3: Cross multiply
    276,680.53x = 381,837.71 × 154,191.92
  4. Step 4: Simplify right side
    276,680.53x = 58,876,289,816.94
  5. Step 5: Solve for x
    x = 58,876,289,816.94/276,680.53
  6. Step 6: Final answer
    x = 212,795.21

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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.