Home / 266,256-367,418.70-151,531.20

Finding the Fourth Proportional to 266,256, 367,418.70 and 151,531.20

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Solution

The fourth proportional to 266,256, 367,418.70 and 151,531.20 is: 209,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,256 : 367,418.70 = 151,531.20 : x
  2. Step 2: Convert to fraction form
    266,256/367,418.70 = 151,531.20/x
  3. Step 3: Cross multiply
    266,256x = 367,418.70 × 151,531.20
  4. Step 4: Simplify right side
    266,256x = 55,675,396,513.44
  5. Step 5: Solve for x
    x = 55,675,396,513.44/266,256
  6. Step 6: Final answer
    x = 209,104.76

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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.