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Finding the Fourth Proportional to 374,662.80, 561,994.20 and 225,363.60

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Solution

The fourth proportional to 374,662.80, 561,994.20 and 225,363.60 is: 338,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,662.80 : 561,994.20 = 225,363.60 : x
  2. Step 2: Convert to fraction form
    374,662.80/561,994.20 = 225,363.60/x
  3. Step 3: Cross multiply
    374,662.80x = 561,994.20 × 225,363.60
  4. Step 4: Simplify right side
    374,662.80x = 126,653,036,091.12
  5. Step 5: Solve for x
    x = 126,653,036,091.12/374,662.80
  6. Step 6: Final answer
    x = 338,045.40

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