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Finding the Fourth Proportional to 399,499.59, 551,325.89 and 229,733.72

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Solution

The fourth proportional to 399,499.59, 551,325.89 and 229,733.72 is: 317,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,499.59 : 551,325.89 = 229,733.72 : x
  2. Step 2: Convert to fraction form
    399,499.59/551,325.89 = 229,733.72/x
  3. Step 3: Cross multiply
    399,499.59x = 551,325.89 × 229,733.72
  4. Step 4: Simplify right side
    399,499.59x = 126,658,147,527.19
  5. Step 5: Solve for x
    x = 126,658,147,527.19/399,499.59
  6. Step 6: Final answer
    x = 317,041.99

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