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Finding the Fourth Proportional to 316,092.11, 436,207.28 and 172,865.48

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Solution

The fourth proportional to 316,092.11, 436,207.28 and 172,865.48 is: 238,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,092.11 : 436,207.28 = 172,865.48 : x
  2. Step 2: Convert to fraction form
    316,092.11/436,207.28 = 172,865.48/x
  3. Step 3: Cross multiply
    316,092.11x = 436,207.28 × 172,865.48
  4. Step 4: Simplify right side
    316,092.11x = 75,405,177,791.33
  5. Step 5: Solve for x
    x = 75,405,177,791.33/316,092.11
  6. Step 6: Final answer
    x = 238,554.45

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