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Finding the Fourth Proportional to 271,462.88, 407,197.44 and 81,924.90

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Solution

The fourth proportional to 271,462.88, 407,197.44 and 81,924.90 is: 122,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,462.88 : 407,197.44 = 81,924.90 : x
  2. Step 2: Convert to fraction form
    271,462.88/407,197.44 = 81,924.90/x
  3. Step 3: Cross multiply
    271,462.88x = 407,197.44 × 81,924.90
  4. Step 4: Simplify right side
    271,462.88x = 33,359,609,552.26
  5. Step 5: Solve for x
    x = 33,359,609,552.26/271,462.88
  6. Step 6: Final answer
    x = 122,888.29

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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.