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Finding the Fourth Proportional to 279,675.20, 386,094.84 and 189,507.68

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Solution

The fourth proportional to 279,675.20, 386,094.84 and 189,507.68 is: 261,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,675.20 : 386,094.84 = 189,507.68 : x
  2. Step 2: Convert to fraction form
    279,675.20/386,094.84 = 189,507.68/x
  3. Step 3: Cross multiply
    279,675.20x = 386,094.84 × 189,507.68
  4. Step 4: Simplify right side
    279,675.20x = 73,167,937,388.37
  5. Step 5: Solve for x
    x = 73,167,937,388.37/279,675.20
  6. Step 6: Final answer
    x = 261,617.54

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