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Finding the Fourth Proportional to 312,072.07, 430,658.34 and 168,832.15

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Solution

The fourth proportional to 312,072.07, 430,658.34 and 168,832.15 is: 232,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,072.07 : 430,658.34 = 168,832.15 : x
  2. Step 2: Convert to fraction form
    312,072.07/430,658.34 = 168,832.15/x
  3. Step 3: Cross multiply
    312,072.07x = 430,658.34 × 168,832.15
  4. Step 4: Simplify right side
    312,072.07x = 72,708,971,304.34
  5. Step 5: Solve for x
    x = 72,708,971,304.34/312,072.07
  6. Step 6: Final answer
    x = 232,987.76

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