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Finding the Fourth Proportional to 369,028.60, 553,640.10 and 132,346.60

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Solution

The fourth proportional to 369,028.60, 553,640.10 and 132,346.60 is: 198,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,028.60 : 553,640.10 = 132,346.60 : x
  2. Step 2: Convert to fraction form
    369,028.60/553,640.10 = 132,346.60/x
  3. Step 3: Cross multiply
    369,028.60x = 553,640.10 × 132,346.60
  4. Step 4: Simplify right side
    369,028.60x = 73,272,384,858.66
  5. Step 5: Solve for x
    x = 73,272,384,858.66/369,028.60
  6. Step 6: Final answer
    x = 198,554.76

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