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Finding the Fourth Proportional to 271,690.90, 407,536.35 and 131,463.70

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Solution

The fourth proportional to 271,690.90, 407,536.35 and 131,463.70 is: 197,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,690.90 : 407,536.35 = 131,463.70 : x
  2. Step 2: Convert to fraction form
    271,690.90/407,536.35 = 131,463.70/x
  3. Step 3: Cross multiply
    271,690.90x = 407,536.35 × 131,463.70
  4. Step 4: Simplify right side
    271,690.90x = 53,576,236,455.50
  5. Step 5: Solve for x
    x = 53,576,236,455.50/271,690.90
  6. Step 6: Final answer
    x = 197,195.55

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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.