Home / 276,998.28-382,040.19-200,528.61

Finding the Fourth Proportional to 276,998.28, 382,040.19 and 200,528.61

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Solution

The fourth proportional to 276,998.28, 382,040.19 and 200,528.61 is: 276,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,998.28 : 382,040.19 = 200,528.61 : x
  2. Step 2: Convert to fraction form
    276,998.28/382,040.19 = 200,528.61/x
  3. Step 3: Cross multiply
    276,998.28x = 382,040.19 × 200,528.61
  4. Step 4: Simplify right side
    276,998.28x = 76,609,988,264.84
  5. Step 5: Solve for x
    x = 76,609,988,264.84/276,998.28
  6. Step 6: Final answer
    x = 276,572.07

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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.