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Finding the Fourth Proportional to 356,426.72, 491,747.76 and 203,354.96

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Solution

The fourth proportional to 356,426.72, 491,747.76 and 203,354.96 is: 280,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,426.72 : 491,747.76 = 203,354.96 : x
  2. Step 2: Convert to fraction form
    356,426.72/491,747.76 = 203,354.96/x
  3. Step 3: Cross multiply
    356,426.72x = 491,747.76 × 203,354.96
  4. Step 4: Simplify right side
    356,426.72x = 99,999,346,064.89
  5. Step 5: Solve for x
    x = 99,999,346,064.89/356,426.72
  6. Step 6: Final answer
    x = 280,560.74

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