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Finding the Fourth Proportional to 289,229.44, 398,930.88 and 265,432.96

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Solution

The fourth proportional to 289,229.44, 398,930.88 and 265,432.96 is: 366,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,229.44 : 398,930.88 = 265,432.96 : x
  2. Step 2: Convert to fraction form
    289,229.44/398,930.88 = 265,432.96/x
  3. Step 3: Cross multiply
    289,229.44x = 398,930.88 × 265,432.96
  4. Step 4: Simplify right side
    289,229.44x = 105,889,404,313.81
  5. Step 5: Solve for x
    x = 105,889,404,313.81/289,229.44
  6. Step 6: Final answer
    x = 366,108.67

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