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Finding the Fourth Proportional to 299,133.40, 448,918.80 and 199,260.40

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Solution

The fourth proportional to 299,133.40, 448,918.80 and 199,260.40 is: 299,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,133.40 : 448,918.80 = 199,260.40 : x
  2. Step 2: Convert to fraction form
    299,133.40/448,918.80 = 199,260.40/x
  3. Step 3: Cross multiply
    299,133.40x = 448,918.80 × 199,260.40
  4. Step 4: Simplify right side
    299,133.40x = 89,451,739,655.52
  5. Step 5: Solve for x
    x = 89,451,739,655.52/299,133.40
  6. Step 6: Final answer
    x = 299,036.28

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