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Finding the Fourth Proportional to 316,035.86, 436,129.52 and 172,796.00

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Solution

The fourth proportional to 316,035.86, 436,129.52 and 172,796.00 is: 238,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,035.86 : 436,129.52 = 172,796.00 : x
  2. Step 2: Convert to fraction form
    316,035.86/436,129.52 = 172,796.00/x
  3. Step 3: Cross multiply
    316,035.86x = 436,129.52 × 172,796.00
  4. Step 4: Simplify right side
    316,035.86x = 75,361,433,493.29
  5. Step 5: Solve for x
    x = 75,361,433,493.29/316,035.86
  6. Step 6: Final answer
    x = 238,458.49

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