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Finding the Fourth Proportional to 292,270.80, 438,924.60 and 225,872.40

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Solution

The fourth proportional to 292,270.80, 438,924.60 and 225,872.40 is: 339,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,270.80 : 438,924.60 = 225,872.40 : x
  2. Step 2: Convert to fraction form
    292,270.80/438,924.60 = 225,872.40/x
  3. Step 3: Cross multiply
    292,270.80x = 438,924.60 × 225,872.40
  4. Step 4: Simplify right side
    292,270.80x = 99,140,952,821.04
  5. Step 5: Solve for x
    x = 99,140,952,821.04/292,270.80
  6. Step 6: Final answer
    x = 339,209.23

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