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Finding the Fourth Proportional to 271,371.67, 374,247.84 and 169,406.59

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Solution

The fourth proportional to 271,371.67, 374,247.84 and 169,406.59 is: 233,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,371.67 : 374,247.84 = 169,406.59 : x
  2. Step 2: Convert to fraction form
    271,371.67/374,247.84 = 169,406.59/x
  3. Step 3: Cross multiply
    271,371.67x = 374,247.84 × 169,406.59
  4. Step 4: Simplify right side
    271,371.67x = 63,400,049,453.65
  5. Step 5: Solve for x
    x = 63,400,049,453.65/271,371.67
  6. Step 6: Final answer
    x = 233,628.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.