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Finding the Fourth Proportional to 271,838.80, 407,758.20 and 267,902.20

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Solution

The fourth proportional to 271,838.80, 407,758.20 and 267,902.20 is: 401,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,838.80 : 407,758.20 = 267,902.20 : x
  2. Step 2: Convert to fraction form
    271,838.80/407,758.20 = 267,902.20/x
  3. Step 3: Cross multiply
    271,838.80x = 407,758.20 × 267,902.20
  4. Step 4: Simplify right side
    271,838.80x = 109,239,318,848.04
  5. Step 5: Solve for x
    x = 109,239,318,848.04/271,838.80
  6. Step 6: Final answer
    x = 401,853.30

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1.5x scale

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.