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Finding the Fourth Proportional to 280,171.26, 386,636.22 and 152,847.72

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Solution

The fourth proportional to 280,171.26, 386,636.22 and 152,847.72 is: 210,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,171.26 : 386,636.22 = 152,847.72 : x
  2. Step 2: Convert to fraction form
    280,171.26/386,636.22 = 152,847.72/x
  3. Step 3: Cross multiply
    280,171.26x = 386,636.22 × 152,847.72
  4. Step 4: Simplify right side
    280,171.26x = 59,096,464,696.42
  5. Step 5: Solve for x
    x = 59,096,464,696.42/280,171.26
  6. Step 6: Final answer
    x = 210,929.79

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