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Finding the Fourth Proportional to 322,199.46, 444,622.88 and 178,968.64

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Solution

The fourth proportional to 322,199.46, 444,622.88 and 178,968.64 is: 246,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,199.46 : 444,622.88 = 178,968.64 : x
  2. Step 2: Convert to fraction form
    322,199.46/444,622.88 = 178,968.64/x
  3. Step 3: Cross multiply
    322,199.46x = 444,622.88 × 178,968.64
  4. Step 4: Simplify right side
    322,199.46x = 79,573,552,146.48
  5. Step 5: Solve for x
    x = 79,573,552,146.48/322,199.46
  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.