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Finding the Fourth Proportional to 296,328.80, 444,493.20 and 74,712.80

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Solution

The fourth proportional to 296,328.80, 444,493.20 and 74,712.80 is: 112,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,328.80 : 444,493.20 = 74,712.80 : x
  2. Step 2: Convert to fraction form
    296,328.80/444,493.20 = 74,712.80/x
  3. Step 3: Cross multiply
    296,328.80x = 444,493.20 × 74,712.80
  4. Step 4: Simplify right side
    296,328.80x = 33,209,331,552.96
  5. Step 5: Solve for x
    x = 33,209,331,552.96/296,328.80
  6. Step 6: Final answer
    x = 112,069.20

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