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Finding the Fourth Proportional to 398,175.49, 596,902.20 and 198,557.11

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Solution

The fourth proportional to 398,175.49, 596,902.20 and 198,557.11 is: 297,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,175.49 : 596,902.20 = 198,557.11 : x
  2. Step 2: Convert to fraction form
    398,175.49/596,902.20 = 198,557.11/x
  3. Step 3: Cross multiply
    398,175.49x = 596,902.20 × 198,557.11
  4. Step 4: Simplify right side
    398,175.49x = 118,519,175,784.64
  5. Step 5: Solve for x
    x = 118,519,175,784.64/398,175.49
  6. Step 6: Final answer
    x = 297,655.63

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