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Finding the Fourth Proportional to 369,106.82, 509,367.41 and 199,340.98

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Solution

The fourth proportional to 369,106.82, 509,367.41 and 199,340.98 is: 275,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,106.82 : 509,367.41 = 199,340.98 : x
  2. Step 2: Convert to fraction form
    369,106.82/509,367.41 = 199,340.98/x
  3. Step 3: Cross multiply
    369,106.82x = 509,367.41 × 199,340.98
  4. Step 4: Simplify right side
    369,106.82x = 101,537,798,689.46
  5. Step 5: Solve for x
    x = 101,537,798,689.46/369,106.82
  6. Step 6: Final answer
    x = 275,090.55

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