Home / 755,249.11-1,132,872.25-223,143.91

Finding the Fourth Proportional to 755,249.11, 1,132,872.25 and 223,143.91

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Solution

The fourth proportional to 755,249.11, 1,132,872.25 and 223,143.91 is: 334,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,249.11 : 1,132,872.25 = 223,143.91 : x
  2. Step 2: Convert to fraction form
    755,249.11/1,132,872.25 = 223,143.91/x
  3. Step 3: Cross multiply
    755,249.11x = 1,132,872.25 × 223,143.91
  4. Step 4: Simplify right side
    755,249.11x = 252,793,544,253.73
  5. Step 5: Solve for x
    x = 252,793,544,253.73/755,249.11
  6. Step 6: Final answer
    x = 334,715.45

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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.