Home / 276,665.68-381,685.62-204,241.96

Finding the Fourth Proportional to 276,665.68, 381,685.62 and 204,241.96

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Solution

The fourth proportional to 276,665.68, 381,685.62 and 204,241.96 is: 281,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,665.68 : 381,685.62 = 204,241.96 : x
  2. Step 2: Convert to fraction form
    276,665.68/381,685.62 = 204,241.96/x
  3. Step 3: Cross multiply
    276,665.68x = 381,685.62 × 204,241.96
  4. Step 4: Simplify right side
    276,665.68x = 77,956,219,132.62
  5. Step 5: Solve for x
    x = 77,956,219,132.62/276,665.68
  6. Step 6: Final answer
    x = 281,770.47

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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.