Home / 271,922.12-407,891.22-129,782.37

Finding the Fourth Proportional to 271,922.12, 407,891.22 and 129,782.37

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Solution

The fourth proportional to 271,922.12, 407,891.22 and 129,782.37 is: 194,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,922.12 : 407,891.22 = 129,782.37 : x
  2. Step 2: Convert to fraction form
    271,922.12/407,891.22 = 129,782.37/x
  3. Step 3: Cross multiply
    271,922.12x = 407,891.22 × 129,782.37
  4. Step 4: Simplify right side
    271,922.12x = 52,937,089,233.79
  5. Step 5: Solve for x
    x = 52,937,089,233.79/271,922.12
  6. Step 6: Final answer
    x = 194,677.39

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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.