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Finding the Fourth Proportional to 355,708.61, 533,563.83 and 145,346.55

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Solution

The fourth proportional to 355,708.61, 533,563.83 and 145,346.55 is: 218,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,708.61 : 533,563.83 = 145,346.55 : x
  2. Step 2: Convert to fraction form
    355,708.61/533,563.83 = 145,346.55/x
  3. Step 3: Cross multiply
    355,708.61x = 533,563.83 × 145,346.55
  4. Step 4: Simplify right side
    355,708.61x = 77,551,661,895.29
  5. Step 5: Solve for x
    x = 77,551,661,895.29/355,708.61
  6. Step 6: Final answer
    x = 218,020.20

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