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Finding the Fourth Proportional to 295,235.20, 442,852.80 and 272,425.60

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Solution

The fourth proportional to 295,235.20, 442,852.80 and 272,425.60 is: 408,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,235.20 : 442,852.80 = 272,425.60 : x
  2. Step 2: Convert to fraction form
    295,235.20/442,852.80 = 272,425.60/x
  3. Step 3: Cross multiply
    295,235.20x = 442,852.80 × 272,425.60
  4. Step 4: Simplify right side
    295,235.20x = 120,644,439,751.68
  5. Step 5: Solve for x
    x = 120,644,439,751.68/295,235.20
  6. Step 6: Final answer
    x = 408,638.40

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