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Finding the Fourth Proportional to 316,103.22, 436,222.18 and 172,863.22

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Solution

The fourth proportional to 316,103.22, 436,222.18 and 172,863.22 is: 238,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,103.22 : 436,222.18 = 172,863.22 : x
  2. Step 2: Convert to fraction form
    316,103.22/436,222.18 = 172,863.22/x
  3. Step 3: Cross multiply
    316,103.22x = 436,222.18 × 172,863.22
  4. Step 4: Simplify right side
    316,103.22x = 75,406,770,670.22
  5. Step 5: Solve for x
    x = 75,406,770,670.22/316,103.22
  6. Step 6: Final answer
    x = 238,551.10

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