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Finding the Fourth Proportional to 229,327.72, 343,979.43 and 71,538.10

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Solution

The fourth proportional to 229,327.72, 343,979.43 and 71,538.10 is: 107,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,327.72 : 343,979.43 = 71,538.10 : x
  2. Step 2: Convert to fraction form
    229,327.72/343,979.43 = 71,538.10/x
  3. Step 3: Cross multiply
    229,327.72x = 343,979.43 × 71,538.10
  4. Step 4: Simplify right side
    229,327.72x = 24,607,634,861.28
  5. Step 5: Solve for x
    x = 24,607,634,861.28/229,327.72
  6. Step 6: Final answer
    x = 107,303.36

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