Home / 276,788.41-381,996.22-169,429.39

Finding the Fourth Proportional to 276,788.41, 381,996.22 and 169,429.39

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Solution

The fourth proportional to 276,788.41, 381,996.22 and 169,429.39 is: 233,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,788.41 : 381,996.22 = 169,429.39 : x
  2. Step 2: Convert to fraction form
    276,788.41/381,996.22 = 169,429.39/x
  3. Step 3: Cross multiply
    276,788.41x = 381,996.22 × 169,429.39
  4. Step 4: Simplify right side
    276,788.41x = 64,721,384,203.35
  5. Step 5: Solve for x
    x = 64,721,384,203.35/276,788.41
  6. Step 6: Final answer
    x = 233,829.82

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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.