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Finding the Fourth Proportional to 551,361.60, 827,042.40 and 271,425.60

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Solution

The fourth proportional to 551,361.60, 827,042.40 and 271,425.60 is: 407,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,361.60 : 827,042.40 = 271,425.60 : x
  2. Step 2: Convert to fraction form
    551,361.60/827,042.40 = 271,425.60/x
  3. Step 3: Cross multiply
    551,361.60x = 827,042.40 × 271,425.60
  4. Step 4: Simplify right side
    551,361.60x = 224,480,479,645.44
  5. Step 5: Solve for x
    x = 224,480,479,645.44/551,361.60
  6. Step 6: Final answer
    x = 407,138.40

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.