Home / 271,249.09-406,890.54-71,569.67

Finding the Fourth Proportional to 271,249.09, 406,890.54 and 71,569.67

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Solution

The fourth proportional to 271,249.09, 406,890.54 and 71,569.67 is: 107,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,249.09 : 406,890.54 = 71,569.67 : x
  2. Step 2: Convert to fraction form
    271,249.09/406,890.54 = 71,569.67/x
  3. Step 3: Cross multiply
    271,249.09x = 406,890.54 × 71,569.67
  4. Step 4: Simplify right side
    271,249.09x = 29,121,019,639.47
  5. Step 5: Solve for x
    x = 29,121,019,639.47/271,249.09
  6. Step 6: Final answer
    x = 107,358.96

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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.