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Finding the Fourth Proportional to 286,754.32, 395,720.04 and 159,429.88

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Solution

The fourth proportional to 286,754.32, 395,720.04 and 159,429.88 is: 220,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,754.32 : 395,720.04 = 159,429.88 : x
  2. Step 2: Convert to fraction form
    286,754.32/395,720.04 = 159,429.88/x
  3. Step 3: Cross multiply
    286,754.32x = 395,720.04 × 159,429.88
  4. Step 4: Simplify right side
    286,754.32x = 63,089,598,490.80
  5. Step 5: Solve for x
    x = 63,089,598,490.80/286,754.32
  6. Step 6: Final answer
    x = 220,012.72

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