Home / 377,645.05-521,194.67-212,100.27

Finding the Fourth Proportional to 377,645.05, 521,194.67 and 212,100.27

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Solution

The fourth proportional to 377,645.05, 521,194.67 and 212,100.27 is: 292,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,645.05 : 521,194.67 = 212,100.27 : x
  2. Step 2: Convert to fraction form
    377,645.05/521,194.67 = 212,100.27/x
  3. Step 3: Cross multiply
    377,645.05x = 521,194.67 × 212,100.27
  4. Step 4: Simplify right side
    377,645.05x = 110,545,530,229.56
  5. Step 5: Solve for x
    x = 110,545,530,229.56/377,645.05
  6. Step 6: Final answer
    x = 292,723.37

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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.