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Finding the Fourth Proportional to 448,048.60, 672,072.90 and 199,216.60

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Solution

The fourth proportional to 448,048.60, 672,072.90 and 199,216.60 is: 298,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,048.60 : 672,072.90 = 199,216.60 : x
  2. Step 2: Convert to fraction form
    448,048.60/672,072.90 = 199,216.60/x
  3. Step 3: Cross multiply
    448,048.60x = 672,072.90 × 199,216.60
  4. Step 4: Simplify right side
    448,048.60x = 133,888,078,090.14
  5. Step 5: Solve for x
    x = 133,888,078,090.14/448,048.60
  6. Step 6: Final answer
    x = 298,824.90

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