Home / 269,286.68-371,615.64-156,175.04

Finding the Fourth Proportional to 269,286.68, 371,615.64 and 156,175.04

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Solution

The fourth proportional to 269,286.68, 371,615.64 and 156,175.04 is: 215,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,286.68 : 371,615.64 = 156,175.04 : x
  2. Step 2: Convert to fraction form
    269,286.68/371,615.64 = 156,175.04/x
  3. Step 3: Cross multiply
    269,286.68x = 371,615.64 × 156,175.04
  4. Step 4: Simplify right side
    269,286.68x = 58,037,087,441.63
  5. Step 5: Solve for x
    x = 58,037,087,441.63/269,286.68
  6. Step 6: Final answer
    x = 215,521.57

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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.