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Finding the Fourth Proportional to 368,840.40, 553,325.40 and 132,320.40

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Solution

The fourth proportional to 368,840.40, 553,325.40 and 132,320.40 is: 198,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,840.40 : 553,325.40 = 132,320.40 : x
  2. Step 2: Convert to fraction form
    368,840.40/553,325.40 = 132,320.40/x
  3. Step 3: Cross multiply
    368,840.40x = 553,325.40 × 132,320.40
  4. Step 4: Simplify right side
    368,840.40x = 73,216,238,258.16
  5. Step 5: Solve for x
    x = 73,216,238,258.16/368,840.40
  6. Step 6: Final answer
    x = 198,503.85

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