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Finding the Fourth Proportional to 446,656.40, 669,984.60 and 147,183.20

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Solution

The fourth proportional to 446,656.40, 669,984.60 and 147,183.20 is: 220,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,656.40 : 669,984.60 = 147,183.20 : x
  2. Step 2: Convert to fraction form
    446,656.40/669,984.60 = 147,183.20/x
  3. Step 3: Cross multiply
    446,656.40x = 669,984.60 × 147,183.20
  4. Step 4: Simplify right side
    446,656.40x = 98,610,477,378.72
  5. Step 5: Solve for x
    x = 98,610,477,378.72/446,656.40
  6. Step 6: Final answer
    x = 220,774.80

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