Home / 322,981.41-445,252.44-227,190.81

Finding the Fourth Proportional to 322,981.41, 445,252.44 and 227,190.81

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Solution

The fourth proportional to 322,981.41, 445,252.44 and 227,190.81 is: 313,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,981.41 : 445,252.44 = 227,190.81 : x
  2. Step 2: Convert to fraction form
    322,981.41/445,252.44 = 227,190.81/x
  3. Step 3: Cross multiply
    322,981.41x = 445,252.44 × 227,190.81
  4. Step 4: Simplify right side
    322,981.41x = 101,157,262,498.08
  5. Step 5: Solve for x
    x = 101,157,262,498.08/322,981.41
  6. Step 6: Final answer
    x = 313,198.41

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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.