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Finding the Fourth Proportional to 209,865.20, 314,797.80 and 201,700.40

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Solution

The fourth proportional to 209,865.20, 314,797.80 and 201,700.40 is: 302,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,865.20 : 314,797.80 = 201,700.40 : x
  2. Step 2: Convert to fraction form
    209,865.20/314,797.80 = 201,700.40/x
  3. Step 3: Cross multiply
    209,865.20x = 314,797.80 × 201,700.40
  4. Step 4: Simplify right side
    209,865.20x = 63,494,842,179.12
  5. Step 5: Solve for x
    x = 63,494,842,179.12/209,865.20
  6. Step 6: Final answer
    x = 302,550.60

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