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Finding the Fourth Proportional to 328,848.70, 493,236.60 and 92,215.30

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Solution

The fourth proportional to 328,848.70, 493,236.60 and 92,215.30 is: 138,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,848.70 : 493,236.60 = 92,215.30 : x
  2. Step 2: Convert to fraction form
    328,848.70/493,236.60 = 92,215.30/x
  3. Step 3: Cross multiply
    328,848.70x = 493,236.60 × 92,215.30
  4. Step 4: Simplify right side
    328,848.70x = 45,483,961,039.98
  5. Step 5: Solve for x
    x = 45,483,961,039.98/328,848.70
  6. Step 6: Final answer
    x = 138,312.73

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