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Finding the Fourth Proportional to 443,117.60, 664,676.40 and 147,629.60

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Solution

The fourth proportional to 443,117.60, 664,676.40 and 147,629.60 is: 221,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,117.60 : 664,676.40 = 147,629.60 : x
  2. Step 2: Convert to fraction form
    443,117.60/664,676.40 = 147,629.60/x
  3. Step 3: Cross multiply
    443,117.60x = 664,676.40 × 147,629.60
  4. Step 4: Simplify right side
    443,117.60x = 98,125,911,061.44
  5. Step 5: Solve for x
    x = 98,125,911,061.44/443,117.60
  6. Step 6: Final answer
    x = 221,444.40

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