Home / 276,790.41-381,998.98-169,431.39

Finding the Fourth Proportional to 276,790.41, 381,998.98 and 169,431.39

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Solution

The fourth proportional to 276,790.41, 381,998.98 and 169,431.39 is: 233,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,790.41 : 381,998.98 = 169,431.39 : x
  2. Step 2: Convert to fraction form
    276,790.41/381,998.98 = 169,431.39/x
  3. Step 3: Cross multiply
    276,790.41x = 381,998.98 × 169,431.39
  4. Step 4: Simplify right side
    276,790.41x = 64,722,618,371.77
  5. Step 5: Solve for x
    x = 64,722,618,371.77/276,790.41
  6. Step 6: Final answer
    x = 233,832.59

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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.