Home / 276,568.25-381,671.37-155,713.94

Finding the Fourth Proportional to 276,568.25, 381,671.37 and 155,713.94

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Solution

The fourth proportional to 276,568.25, 381,671.37 and 155,713.94 is: 214,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,568.25 : 381,671.37 = 155,713.94 : x
  2. Step 2: Convert to fraction form
    276,568.25/381,671.37 = 155,713.94/x
  3. Step 3: Cross multiply
    276,568.25x = 381,671.37 × 155,713.94
  4. Step 4: Simplify right side
    276,568.25x = 59,431,554,039.76
  5. Step 5: Solve for x
    x = 59,431,554,039.76/276,568.25
  6. Step 6: Final answer
    x = 214,889.29

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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.