Home / 276,943.40-382,182.24-149,619

Finding the Fourth Proportional to 276,943.40, 382,182.24 and 149,619

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Solution

The fourth proportional to 276,943.40, 382,182.24 and 149,619 is: 206,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,943.40 : 382,182.24 = 149,619 : x
  2. Step 2: Convert to fraction form
    276,943.40/382,182.24 = 149,619/x
  3. Step 3: Cross multiply
    276,943.40x = 382,182.24 × 149,619
  4. Step 4: Simplify right side
    276,943.40x = 57,181,724,566.56
  5. Step 5: Solve for x
    x = 57,181,724,566.56/276,943.40
  6. Step 6: Final answer
    x = 206,474.41

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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.