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Finding the Fourth Proportional to 343,634.26, 515,327.82 and 118,933.72

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Solution

The fourth proportional to 343,634.26, 515,327.82 and 118,933.72 is: 178,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,634.26 : 515,327.82 = 118,933.72 : x
  2. Step 2: Convert to fraction form
    343,634.26/515,327.82 = 118,933.72/x
  3. Step 3: Cross multiply
    343,634.26x = 515,327.82 × 118,933.72
  4. Step 4: Simplify right side
    343,634.26x = 61,289,854,652.09
  5. Step 5: Solve for x
    x = 61,289,854,652.09/343,634.26
  6. Step 6: Final answer
    x = 178,357.81

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