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Finding the Fourth Proportional to 296,485.11, 409,337.96 and 194,691.20

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Solution

The fourth proportional to 296,485.11, 409,337.96 and 194,691.20 is: 268,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,485.11 : 409,337.96 = 194,691.20 : x
  2. Step 2: Convert to fraction form
    296,485.11/409,337.96 = 194,691.20/x
  3. Step 3: Cross multiply
    296,485.11x = 409,337.96 × 194,691.20
  4. Step 4: Simplify right side
    296,485.11x = 79,694,495,617.81
  5. Step 5: Solve for x
    x = 79,694,495,617.81/296,485.11
  6. Step 6: Final answer
    x = 268,797.63

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