Home / 377,788.41-521,230.91-214,418.25

Finding the Fourth Proportional to 377,788.41, 521,230.91 and 214,418.25

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Solution

The fourth proportional to 377,788.41, 521,230.91 and 214,418.25 is: 295,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,788.41 : 521,230.91 = 214,418.25 : x
  2. Step 2: Convert to fraction form
    377,788.41/521,230.91 = 214,418.25/x
  3. Step 3: Cross multiply
    377,788.41x = 521,230.91 × 214,418.25
  4. Step 4: Simplify right side
    377,788.41x = 111,761,418,496.02
  5. Step 5: Solve for x
    x = 111,761,418,496.02/377,788.41
  6. Step 6: Final answer
    x = 295,830.72

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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.