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Finding the Fourth Proportional to 359,243.40, 538,865.10 and 270,013.80

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Solution

The fourth proportional to 359,243.40, 538,865.10 and 270,013.80 is: 405,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,243.40 : 538,865.10 = 270,013.80 : x
  2. Step 2: Convert to fraction form
    359,243.40/538,865.10 = 270,013.80/x
  3. Step 3: Cross multiply
    359,243.40x = 538,865.10 × 270,013.80
  4. Step 4: Simplify right side
    359,243.40x = 145,501,013,338.38
  5. Step 5: Solve for x
    x = 145,501,013,338.38/359,243.40
  6. Step 6: Final answer
    x = 405,020.70

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