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Finding the Fourth Proportional to 258,305.22, 356,373.09 and 161,442.99

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Solution

The fourth proportional to 258,305.22, 356,373.09 and 161,442.99 is: 222,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,305.22 : 356,373.09 = 161,442.99 : x
  2. Step 2: Convert to fraction form
    258,305.22/356,373.09 = 161,442.99/x
  3. Step 3: Cross multiply
    258,305.22x = 356,373.09 × 161,442.99
  4. Step 4: Simplify right side
    258,305.22x = 57,533,937,205.14
  5. Step 5: Solve for x
    x = 57,533,937,205.14/258,305.22
  6. Step 6: Final answer
    x = 222,736.25

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