Home / 271,811.88-407,556.30-103,344.53

Finding the Fourth Proportional to 271,811.88, 407,556.30 and 103,344.53

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Solution

The fourth proportional to 271,811.88, 407,556.30 and 103,344.53 is: 154,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,811.88 : 407,556.30 = 103,344.53 : x
  2. Step 2: Convert to fraction form
    271,811.88/407,556.30 = 103,344.53/x
  3. Step 3: Cross multiply
    271,811.88x = 407,556.30 × 103,344.53
  4. Step 4: Simplify right side
    271,811.88x = 42,118,715,333.91
  5. Step 5: Solve for x
    x = 42,118,715,333.91/271,811.88
  6. Step 6: Final answer
    x = 154,955.39

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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.