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Finding the Fourth Proportional to 368,615.55, 552,491.89 and 140,761.92

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Solution

The fourth proportional to 368,615.55, 552,491.89 and 140,761.92 is: 210,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,615.55 : 552,491.89 = 140,761.92 : x
  2. Step 2: Convert to fraction form
    368,615.55/552,491.89 = 140,761.92/x
  3. Step 3: Cross multiply
    368,615.55x = 552,491.89 × 140,761.92
  4. Step 4: Simplify right side
    368,615.55x = 77,769,819,220.83
  5. Step 5: Solve for x
    x = 77,769,819,220.83/368,615.55
  6. Step 6: Final answer
    x = 210,978.13

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