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Finding the Fourth Proportional to 271,996.61, 408,064.11 and 159,771.72

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Solution

The fourth proportional to 271,996.61, 408,064.11 and 159,771.72 is: 239,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,996.61 : 408,064.11 = 159,771.72 : x
  2. Step 2: Convert to fraction form
    271,996.61/408,064.11 = 159,771.72/x
  3. Step 3: Cross multiply
    271,996.61x = 408,064.11 × 159,771.72
  4. Step 4: Simplify right side
    271,996.61x = 65,197,105,656.07
  5. Step 5: Solve for x
    x = 65,197,105,656.07/271,996.61
  6. Step 6: Final answer
    x = 239,698.23

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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.