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Finding the Fourth Proportional to 331,373.20, 497,059.80 and 191,016.40

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Solution

The fourth proportional to 331,373.20, 497,059.80 and 191,016.40 is: 286,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,373.20 : 497,059.80 = 191,016.40 : x
  2. Step 2: Convert to fraction form
    331,373.20/497,059.80 = 191,016.40/x
  3. Step 3: Cross multiply
    331,373.20x = 497,059.80 × 191,016.40
  4. Step 4: Simplify right side
    331,373.20x = 94,946,573,580.72
  5. Step 5: Solve for x
    x = 94,946,573,580.72/331,373.20
  6. Step 6: Final answer
    x = 286,524.60

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