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Finding the Fourth Proportional to 292,015.80, 438,023.70 and 264,022.20

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Solution

The fourth proportional to 292,015.80, 438,023.70 and 264,022.20 is: 396,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,015.80 : 438,023.70 = 264,022.20 : x
  2. Step 2: Convert to fraction form
    292,015.80/438,023.70 = 264,022.20/x
  3. Step 3: Cross multiply
    292,015.80x = 438,023.70 × 264,022.20
  4. Step 4: Simplify right side
    292,015.80x = 115,647,980,926.14
  5. Step 5: Solve for x
    x = 115,647,980,926.14/292,015.80
  6. Step 6: Final answer
    x = 396,033.30

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