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Finding the Fourth Proportional to 370,442.48, 511,210.86 and 200,677.28

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Solution

The fourth proportional to 370,442.48, 511,210.86 and 200,677.28 is: 276,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,442.48 : 511,210.86 = 200,677.28 : x
  2. Step 2: Convert to fraction form
    370,442.48/511,210.86 = 200,677.28/x
  3. Step 3: Cross multiply
    370,442.48x = 511,210.86 × 200,677.28
  4. Step 4: Simplify right side
    370,442.48x = 102,588,404,891.26
  5. Step 5: Solve for x
    x = 102,588,404,891.26/370,442.48
  6. Step 6: Final answer
    x = 276,934.78

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