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Finding the Fourth Proportional to 308,543.06, 425,828.87 and 172,584.56

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Solution

The fourth proportional to 308,543.06, 425,828.87 and 172,584.56 is: 238,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,543.06 : 425,828.87 = 172,584.56 : x
  2. Step 2: Convert to fraction form
    308,543.06/425,828.87 = 172,584.56/x
  3. Step 3: Cross multiply
    308,543.06x = 425,828.87 × 172,584.56
  4. Step 4: Simplify right side
    308,543.06x = 73,491,487,301.32
  5. Step 5: Solve for x
    x = 73,491,487,301.32/308,543.06
  6. Step 6: Final answer
    x = 238,188.75

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