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Finding the Fourth Proportional to 217,276.60, 325,914.90 and 196,281.40

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Solution

The fourth proportional to 217,276.60, 325,914.90 and 196,281.40 is: 294,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,276.60 : 325,914.90 = 196,281.40 : x
  2. Step 2: Convert to fraction form
    217,276.60/325,914.90 = 196,281.40/x
  3. Step 3: Cross multiply
    217,276.60x = 325,914.90 × 196,281.40
  4. Step 4: Simplify right side
    217,276.60x = 63,971,032,852.86
  5. Step 5: Solve for x
    x = 63,971,032,852.86/217,276.60
  6. Step 6: Final answer
    x = 294,422.10

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