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Finding the Fourth Proportional to 314,820.80, 472,231.20 and 202,846.40

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Solution

The fourth proportional to 314,820.80, 472,231.20 and 202,846.40 is: 304,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,820.80 : 472,231.20 = 202,846.40 : x
  2. Step 2: Convert to fraction form
    314,820.80/472,231.20 = 202,846.40/x
  3. Step 3: Cross multiply
    314,820.80x = 472,231.20 × 202,846.40
  4. Step 4: Simplify right side
    314,820.80x = 95,790,398,887.68
  5. Step 5: Solve for x
    x = 95,790,398,887.68/314,820.80
  6. Step 6: Final answer
    x = 304,269.60

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