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Finding the Fourth Proportional to 315,680.58, 435,632.04 and 172,441.26

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Solution

The fourth proportional to 315,680.58, 435,632.04 and 172,441.26 is: 237,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,680.58 : 435,632.04 = 172,441.26 : x
  2. Step 2: Convert to fraction form
    315,680.58/435,632.04 = 172,441.26/x
  3. Step 3: Cross multiply
    315,680.58x = 435,632.04 × 172,441.26
  4. Step 4: Simplify right side
    315,680.58x = 75,120,937,873.97
  5. Step 5: Solve for x
    x = 75,120,937,873.97/315,680.58
  6. Step 6: Final answer
    x = 237,965.03

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