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Finding the Fourth Proportional to 300,326.40, 450,535.68 and 89,940.48

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Solution

The fourth proportional to 300,326.40, 450,535.68 and 89,940.48 is: 134,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,326.40 : 450,535.68 = 89,940.48 : x
  2. Step 2: Convert to fraction form
    300,326.40/450,535.68 = 89,940.48/x
  3. Step 3: Cross multiply
    300,326.40x = 450,535.68 × 89,940.48
  4. Step 4: Simplify right side
    300,326.40x = 40,521,395,316.33
  5. Step 5: Solve for x
    x = 40,521,395,316.33/300,326.40
  6. Step 6: Final answer
    x = 134,924.52

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