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Finding the Fourth Proportional to 448,049.60, 672,074.40 and 199,217.60

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Solution

The fourth proportional to 448,049.60, 672,074.40 and 199,217.60 is: 298,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,049.60 : 672,074.40 = 199,217.60 : x
  2. Step 2: Convert to fraction form
    448,049.60/672,074.40 = 199,217.60/x
  3. Step 3: Cross multiply
    448,049.60x = 672,074.40 × 199,217.60
  4. Step 4: Simplify right side
    448,049.60x = 133,889,048,989.44
  5. Step 5: Solve for x
    x = 133,889,048,989.44/448,049.60
  6. Step 6: Final answer
    x = 298,826.40

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