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Finding the Fourth Proportional to 299,258.20, 448,907.55 and 121,768.30

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Solution

The fourth proportional to 299,258.20, 448,907.55 and 121,768.30 is: 182,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,258.20 : 448,907.55 = 121,768.30 : x
  2. Step 2: Convert to fraction form
    299,258.20/448,907.55 = 121,768.30/x
  3. Step 3: Cross multiply
    299,258.20x = 448,907.55 × 121,768.30
  4. Step 4: Simplify right side
    299,258.20x = 54,662,709,220.67
  5. Step 5: Solve for x
    x = 54,662,709,220.67/299,258.20
  6. Step 6: Final answer
    x = 182,660.69

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