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Finding the Fourth Proportional to 292,434.20, 438,432.60 and 159,464.60

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Solution

The fourth proportional to 292,434.20, 438,432.60 and 159,464.60 is: 239,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,434.20 : 438,432.60 = 159,464.60 : x
  2. Step 2: Convert to fraction form
    292,434.20/438,432.60 = 159,464.60/x
  3. Step 3: Cross multiply
    292,434.20x = 438,432.60 × 159,464.60
  4. Step 4: Simplify right side
    292,434.20x = 69,914,479,185.96
  5. Step 5: Solve for x
    x = 69,914,479,185.96/292,434.20
  6. Step 6: Final answer
    x = 239,077.64

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