Home / 276,786.33-381,993.36-169,427.31

Finding the Fourth Proportional to 276,786.33, 381,993.36 and 169,427.31

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Solution

The fourth proportional to 276,786.33, 381,993.36 and 169,427.31 is: 233,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,786.33 : 381,993.36 = 169,427.31 : x
  2. Step 2: Convert to fraction form
    276,786.33/381,993.36 = 169,427.31/x
  3. Step 3: Cross multiply
    276,786.33x = 381,993.36 × 169,427.31
  4. Step 4: Simplify right side
    276,786.33x = 64,720,105,354.83
  5. Step 5: Solve for x
    x = 64,720,105,354.83/276,786.33
  6. Step 6: Final answer
    x = 233,826.96

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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.