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Finding the Fourth Proportional to 299,391.12, 448,954.92 and 112,271.40

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Solution

The fourth proportional to 299,391.12, 448,954.92 and 112,271.40 is: 168,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,391.12 : 448,954.92 = 112,271.40 : x
  2. Step 2: Convert to fraction form
    299,391.12/448,954.92 = 112,271.40/x
  3. Step 3: Cross multiply
    299,391.12x = 448,954.92 × 112,271.40
  4. Step 4: Simplify right side
    299,391.12x = 50,404,797,405.29
  5. Step 5: Solve for x
    x = 50,404,797,405.29/299,391.12
  6. Step 6: Final answer
    x = 168,357.69

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