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Finding the Fourth Proportional to 322,199.44, 444,622.86 and 178,968.64

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Solution

The fourth proportional to 322,199.44, 444,622.86 and 178,968.64 is: 246,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,199.44 : 444,622.86 = 178,968.64 : x
  2. Step 2: Convert to fraction form
    322,199.44/444,622.86 = 178,968.64/x
  3. Step 3: Cross multiply
    322,199.44x = 444,622.86 × 178,968.64
  4. Step 4: Simplify right side
    322,199.44x = 79,573,548,567.11
  5. Step 5: Solve for x
    x = 79,573,548,567.11/322,199.44
  6. Step 6: Final answer
    x = 246,969.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.