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Finding the Fourth Proportional to 305,926.20, 458,889.30 and 164,208.60

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Solution

The fourth proportional to 305,926.20, 458,889.30 and 164,208.60 is: 246,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,926.20 : 458,889.30 = 164,208.60 : x
  2. Step 2: Convert to fraction form
    305,926.20/458,889.30 = 164,208.60/x
  3. Step 3: Cross multiply
    305,926.20x = 458,889.30 × 164,208.60
  4. Step 4: Simplify right side
    305,926.20x = 75,353,569,507.98
  5. Step 5: Solve for x
    x = 75,353,569,507.98/305,926.20
  6. Step 6: Final answer
    x = 246,312.90

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