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Finding the Fourth Proportional to 308,207.16, 425,456.80 and 187,387.02

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Solution

The fourth proportional to 308,207.16, 425,456.80 and 187,387.02 is: 258,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,207.16 : 425,456.80 = 187,387.02 : x
  2. Step 2: Convert to fraction form
    308,207.16/425,456.80 = 187,387.02/x
  3. Step 3: Cross multiply
    308,207.16x = 425,456.80 × 187,387.02
  4. Step 4: Simplify right side
    308,207.16x = 79,725,082,476.32
  5. Step 5: Solve for x
    x = 79,725,082,476.32/308,207.16
  6. Step 6: Final answer
    x = 258,673.69

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