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Finding the Fourth Proportional to 359,277.20, 538,915.80 and 264,798.80

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Solution

The fourth proportional to 359,277.20, 538,915.80 and 264,798.80 is: 397,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,277.20 : 538,915.80 = 264,798.80 : x
  2. Step 2: Convert to fraction form
    359,277.20/538,915.80 = 264,798.80/x
  3. Step 3: Cross multiply
    359,277.20x = 538,915.80 × 264,798.80
  4. Step 4: Simplify right side
    359,277.20x = 142,704,257,141.04
  5. Step 5: Solve for x
    x = 142,704,257,141.04/359,277.20
  6. Step 6: Final answer
    x = 397,198.20

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