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Finding the Fourth Proportional to 305,576.16, 421,687.04 and 169,609.76

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Solution

The fourth proportional to 305,576.16, 421,687.04 and 169,609.76 is: 234,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,576.16 : 421,687.04 = 169,609.76 : x
  2. Step 2: Convert to fraction form
    305,576.16/421,687.04 = 169,609.76/x
  3. Step 3: Cross multiply
    305,576.16x = 421,687.04 × 169,609.76
  4. Step 4: Simplify right side
    305,576.16x = 71,522,234,693.03
  5. Step 5: Solve for x
    x = 71,522,234,693.03/305,576.16
  6. Step 6: Final answer
    x = 234,056.98

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