Home / 377,788.28-521,230.50-214,418.12

Finding the Fourth Proportional to 377,788.28, 521,230.50 and 214,418.12

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Solution

The fourth proportional to 377,788.28, 521,230.50 and 214,418.12 is: 295,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,788.28 : 521,230.50 = 214,418.12 : x
  2. Step 2: Convert to fraction form
    377,788.28/521,230.50 = 214,418.12/x
  3. Step 3: Cross multiply
    377,788.28x = 521,230.50 × 214,418.12
  4. Step 4: Simplify right side
    377,788.28x = 111,761,263,896.66
  5. Step 5: Solve for x
    x = 111,761,263,896.66/377,788.28
  6. Step 6: Final answer
    x = 295,830.42

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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.