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Finding the Fourth Proportional to 313,866.40, 470,799.60 and 166,410.40

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Solution

The fourth proportional to 313,866.40, 470,799.60 and 166,410.40 is: 249,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,866.40 : 470,799.60 = 166,410.40 : x
  2. Step 2: Convert to fraction form
    313,866.40/470,799.60 = 166,410.40/x
  3. Step 3: Cross multiply
    313,866.40x = 470,799.60 × 166,410.40
  4. Step 4: Simplify right side
    313,866.40x = 78,345,949,755.84
  5. Step 5: Solve for x
    x = 78,345,949,755.84/313,866.40
  6. Step 6: Final answer
    x = 249,615.60

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