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Finding the Fourth Proportional to 355,708.49, 533,563.64 and 145,346.43

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Solution

The fourth proportional to 355,708.49, 533,563.64 and 145,346.43 is: 218,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,708.49 : 533,563.64 = 145,346.43 : x
  2. Step 2: Convert to fraction form
    355,708.49/533,563.64 = 145,346.43/x
  3. Step 3: Cross multiply
    355,708.49x = 533,563.64 × 145,346.43
  4. Step 4: Simplify right side
    355,708.49x = 77,551,566,857.25
  5. Step 5: Solve for x
    x = 77,551,566,857.25/355,708.49
  6. Step 6: Final answer
    x = 218,020.01

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