Home / 338,974.40-508,778.72-179,168.95

Finding the Fourth Proportional to 338,974.40, 508,778.72 and 179,168.95

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Solution

The fourth proportional to 338,974.40, 508,778.72 and 179,168.95 is: 268,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,974.40 : 508,778.72 = 179,168.95 : x
  2. Step 2: Convert to fraction form
    338,974.40/508,778.72 = 179,168.95/x
  3. Step 3: Cross multiply
    338,974.40x = 508,778.72 × 179,168.95
  4. Step 4: Simplify right side
    338,974.40x = 91,157,346,594.88
  5. Step 5: Solve for x
    x = 91,157,346,594.88/338,974.40
  6. Step 6: Final answer
    x = 268,921.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.