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Finding the Fourth Proportional to 365,364.70, 548,047.05 and 128,974.30

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Solution

The fourth proportional to 365,364.70, 548,047.05 and 128,974.30 is: 193,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,364.70 : 548,047.05 = 128,974.30 : x
  2. Step 2: Convert to fraction form
    365,364.70/548,047.05 = 128,974.30/x
  3. Step 3: Cross multiply
    365,364.70x = 548,047.05 × 128,974.30
  4. Step 4: Simplify right side
    365,364.70x = 70,683,984,640.82
  5. Step 5: Solve for x
    x = 70,683,984,640.82/365,364.70
  6. Step 6: Final answer
    x = 193,461.45

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