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Finding the Fourth Proportional to 331,200.90, 496,801.35 and 165,312.90

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Solution

The fourth proportional to 331,200.90, 496,801.35 and 165,312.90 is: 247,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,200.90 : 496,801.35 = 165,312.90 : x
  2. Step 2: Convert to fraction form
    331,200.90/496,801.35 = 165,312.90/x
  3. Step 3: Cross multiply
    331,200.90x = 496,801.35 × 165,312.90
  4. Step 4: Simplify right side
    331,200.90x = 82,127,671,892.42
  5. Step 5: Solve for x
    x = 82,127,671,892.42/331,200.90
  6. Step 6: Final answer
    x = 247,969.35

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