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Finding the Fourth Proportional to 369,110.20, 553,665.30 and 200,711.20

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Solution

The fourth proportional to 369,110.20, 553,665.30 and 200,711.20 is: 301,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,110.20 : 553,665.30 = 200,711.20 : x
  2. Step 2: Convert to fraction form
    369,110.20/553,665.30 = 200,711.20/x
  3. Step 3: Cross multiply
    369,110.20x = 553,665.30 × 200,711.20
  4. Step 4: Simplify right side
    369,110.20x = 111,126,826,761.36
  5. Step 5: Solve for x
    x = 111,126,826,761.36/369,110.20
  6. Step 6: Final answer
    x = 301,066.80

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