Home / 271,831.75-407,811.41-82,293.57

Finding the Fourth Proportional to 271,831.75, 407,811.41 and 82,293.57

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Solution

The fourth proportional to 271,831.75, 407,811.41 and 82,293.57 is: 123,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,831.75 : 407,811.41 = 82,293.57 : x
  2. Step 2: Convert to fraction form
    271,831.75/407,811.41 = 82,293.57/x
  3. Step 3: Cross multiply
    271,831.75x = 407,811.41 × 82,293.57
  4. Step 4: Simplify right side
    271,831.75x = 33,560,256,712.77
  5. Step 5: Solve for x
    x = 33,560,256,712.77/271,831.75
  6. Step 6: Final answer
    x = 123,459.67

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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.