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Finding the Fourth Proportional to 271,372.62, 406,394.61 and 191,213.58

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Solution

The fourth proportional to 271,372.62, 406,394.61 and 191,213.58 is: 286,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,372.62 : 406,394.61 = 191,213.58 : x
  2. Step 2: Convert to fraction form
    271,372.62/406,394.61 = 191,213.58/x
  3. Step 3: Cross multiply
    271,372.62x = 406,394.61 × 191,213.58
  4. Step 4: Simplify right side
    271,372.62x = 77,708,168,270.80
  5. Step 5: Solve for x
    x = 77,708,168,270.80/271,372.62
  6. Step 6: Final answer
    x = 286,352.28

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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.