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Finding the Fourth Proportional to 482,850.30, 724,271.85 and 145,890.30

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Solution

The fourth proportional to 482,850.30, 724,271.85 and 145,890.30 is: 218,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,850.30 : 724,271.85 = 145,890.30 : x
  2. Step 2: Convert to fraction form
    482,850.30/724,271.85 = 145,890.30/x
  3. Step 3: Cross multiply
    482,850.30x = 724,271.85 × 145,890.30
  4. Step 4: Simplify right side
    482,850.30x = 105,664,237,478.06
  5. Step 5: Solve for x
    x = 105,664,237,478.06/482,850.30
  6. Step 6: Final answer
    x = 218,834.36

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