Home / 214,791.85-320,617.53-199,180.31

Finding the Fourth Proportional to 214,791.85, 320,617.53 and 199,180.31

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Solution

The fourth proportional to 214,791.85, 320,617.53 and 199,180.31 is: 297,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,791.85 : 320,617.53 = 199,180.31 : x
  2. Step 2: Convert to fraction form
    214,791.85/320,617.53 = 199,180.31/x
  3. Step 3: Cross multiply
    214,791.85x = 320,617.53 × 199,180.31
  4. Step 4: Simplify right side
    214,791.85x = 63,860,699,016.83
  5. Step 5: Solve for x
    x = 63,860,699,016.83/214,791.85
  6. Step 6: Final answer
    x = 297,314.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.