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Finding the Fourth Proportional to 240,560.80, 360,841.20 and 115,914.40

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Solution

The fourth proportional to 240,560.80, 360,841.20 and 115,914.40 is: 173,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,560.80 : 360,841.20 = 115,914.40 : x
  2. Step 2: Convert to fraction form
    240,560.80/360,841.20 = 115,914.40/x
  3. Step 3: Cross multiply
    240,560.80x = 360,841.20 × 115,914.40
  4. Step 4: Simplify right side
    240,560.80x = 41,826,691,193.28
  5. Step 5: Solve for x
    x = 41,826,691,193.28/240,560.80
  6. Step 6: Final answer
    x = 173,871.60

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