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Finding the Fourth Proportional to 322,185.16, 444,603.22 and 178,954.39

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Solution

The fourth proportional to 322,185.16, 444,603.22 and 178,954.39 is: 246,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,185.16 : 444,603.22 = 178,954.39 : x
  2. Step 2: Convert to fraction form
    322,185.16/444,603.22 = 178,954.39/x
  3. Step 3: Cross multiply
    322,185.16x = 444,603.22 × 178,954.39
  4. Step 4: Simplify right side
    322,185.16x = 79,563,698,027.14
  5. Step 5: Solve for x
    x = 79,563,698,027.14/322,185.16
  6. Step 6: Final answer
    x = 246,950.23

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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.