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Finding the Fourth Proportional to 369,640.80, 554,461.20 and 251,542.80

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Solution

The fourth proportional to 369,640.80, 554,461.20 and 251,542.80 is: 377,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,640.80 : 554,461.20 = 251,542.80 : x
  2. Step 2: Convert to fraction form
    369,640.80/554,461.20 = 251,542.80/x
  3. Step 3: Cross multiply
    369,640.80x = 554,461.20 × 251,542.80
  4. Step 4: Simplify right side
    369,640.80x = 139,470,722,739.36
  5. Step 5: Solve for x
    x = 139,470,722,739.36/369,640.80
  6. Step 6: Final answer
    x = 377,314.20

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