Home / 551,151.09-826,514.07-214,147.38

Finding the Fourth Proportional to 551,151.09, 826,514.07 and 214,147.38

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Solution

The fourth proportional to 551,151.09, 826,514.07 and 214,147.38 is: 321,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,151.09 : 826,514.07 = 214,147.38 : x
  2. Step 2: Convert to fraction form
    551,151.09/826,514.07 = 214,147.38/x
  3. Step 3: Cross multiply
    551,151.09x = 826,514.07 × 214,147.38
  4. Step 4: Simplify right side
    551,151.09x = 176,995,822,623.64
  5. Step 5: Solve for x
    x = 176,995,822,623.64/551,151.09
  6. Step 6: Final answer
    x = 321,138.48

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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.