Home / 271,917.07-407,813.94-103,377.43

Finding the Fourth Proportional to 271,917.07, 407,813.94 and 103,377.43

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Solution

The fourth proportional to 271,917.07, 407,813.94 and 103,377.43 is: 155,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,917.07 : 407,813.94 = 103,377.43 : x
  2. Step 2: Convert to fraction form
    271,917.07/407,813.94 = 103,377.43/x
  3. Step 3: Cross multiply
    271,917.07x = 407,813.94 × 103,377.43
  4. Step 4: Simplify right side
    271,917.07x = 42,158,757,035.37
  5. Step 5: Solve for x
    x = 42,158,757,035.37/271,917.07
  6. Step 6: Final answer
    x = 155,042.70

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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.