Home / 271,746.38-407,664.12-111,778.95

Finding the Fourth Proportional to 271,746.38, 407,664.12 and 111,778.95

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Solution

The fourth proportional to 271,746.38, 407,664.12 and 111,778.95 is: 167,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,746.38 : 407,664.12 = 111,778.95 : x
  2. Step 2: Convert to fraction form
    271,746.38/407,664.12 = 111,778.95/x
  3. Step 3: Cross multiply
    271,746.38x = 407,664.12 × 111,778.95
  4. Step 4: Simplify right side
    271,746.38x = 45,568,267,286.27
  5. Step 5: Solve for x
    x = 45,568,267,286.27/271,746.38
  6. Step 6: Final answer
    x = 167,686.75

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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.