Home / 271,917.97-407,887.19-103,406.88

Finding the Fourth Proportional to 271,917.97, 407,887.19 and 103,406.88

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Solution

The fourth proportional to 271,917.97, 407,887.19 and 103,406.88 is: 155,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,917.97 : 407,887.19 = 103,406.88 : x
  2. Step 2: Convert to fraction form
    271,917.97/407,887.19 = 103,406.88/x
  3. Step 3: Cross multiply
    271,917.97x = 407,887.19 × 103,406.88
  4. Step 4: Simplify right side
    271,917.97x = 42,178,341,709.87
  5. Step 5: Solve for x
    x = 42,178,341,709.87/271,917.97
  6. Step 6: Final answer
    x = 155,114.21

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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.