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Finding the Fourth Proportional to 301,711.20, 452,566.80 and 91,359.60

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Solution

The fourth proportional to 301,711.20, 452,566.80 and 91,359.60 is: 137,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,711.20 : 452,566.80 = 91,359.60 : x
  2. Step 2: Convert to fraction form
    301,711.20/452,566.80 = 91,359.60/x
  3. Step 3: Cross multiply
    301,711.20x = 452,566.80 × 91,359.60
  4. Step 4: Simplify right side
    301,711.20x = 41,346,321,821.28
  5. Step 5: Solve for x
    x = 41,346,321,821.28/301,711.20
  6. Step 6: Final answer
    x = 137,039.40

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