Home / 276,680.47-381,015.07-240,365.33

Finding the Fourth Proportional to 276,680.47, 381,015.07 and 240,365.33

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Solution

The fourth proportional to 276,680.47, 381,015.07 and 240,365.33 is: 331,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,680.47 : 381,015.07 = 240,365.33 : x
  2. Step 2: Convert to fraction form
    276,680.47/381,015.07 = 240,365.33/x
  3. Step 3: Cross multiply
    276,680.47x = 381,015.07 × 240,365.33
  4. Step 4: Simplify right side
    276,680.47x = 91,582,813,387.15
  5. Step 5: Solve for x
    x = 91,582,813,387.15/276,680.47
  6. Step 6: Final answer
    x = 331,005.71

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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.