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Finding the Fourth Proportional to 295,271.20, 442,906.80 and 272,461.60

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Solution

The fourth proportional to 295,271.20, 442,906.80 and 272,461.60 is: 408,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,271.20 : 442,906.80 = 272,461.60 : x
  2. Step 2: Convert to fraction form
    295,271.20/442,906.80 = 272,461.60/x
  3. Step 3: Cross multiply
    295,271.20x = 442,906.80 × 272,461.60
  4. Step 4: Simplify right side
    295,271.20x = 120,675,095,378.88
  5. Step 5: Solve for x
    x = 120,675,095,378.88/295,271.20
  6. Step 6: Final answer
    x = 408,692.40

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