Home / 377,791.41-521,235.03-214,421.25

Finding the Fourth Proportional to 377,791.41, 521,235.03 and 214,421.25

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Solution

The fourth proportional to 377,791.41, 521,235.03 and 214,421.25 is: 295,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,791.41 : 521,235.03 = 214,421.25 : x
  2. Step 2: Convert to fraction form
    377,791.41/521,235.03 = 214,421.25/x
  3. Step 3: Cross multiply
    377,791.41x = 521,235.03 × 214,421.25
  4. Step 4: Simplify right side
    377,791.41x = 111,763,866,676.39
  5. Step 5: Solve for x
    x = 111,763,866,676.39/377,791.41
  6. Step 6: Final answer
    x = 295,834.85

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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.