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Finding the Fourth Proportional to 312,214.46, 430,855.25 and 168,974.64

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Solution

The fourth proportional to 312,214.46, 430,855.25 and 168,974.64 is: 233,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,214.46 : 430,855.25 = 168,974.64 : x
  2. Step 2: Convert to fraction form
    312,214.46/430,855.25 = 168,974.64/x
  3. Step 3: Cross multiply
    312,214.46x = 430,855.25 × 168,974.64
  4. Step 4: Simplify right side
    312,214.46x = 72,803,609,915.99
  5. Step 5: Solve for x
    x = 72,803,609,915.99/312,214.46
  6. Step 6: Final answer
    x = 233,184.62

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