Home / 214,945.88-320,841.10-199,112

Finding the Fourth Proportional to 214,945.88, 320,841.10 and 199,112

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Solution

The fourth proportional to 214,945.88, 320,841.10 and 199,112 is: 297,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,945.88 : 320,841.10 = 199,112 : x
  2. Step 2: Convert to fraction form
    214,945.88/320,841.10 = 199,112/x
  3. Step 3: Cross multiply
    214,945.88x = 320,841.10 × 199,112
  4. Step 4: Simplify right side
    214,945.88x = 63,883,313,103.20
  5. Step 5: Solve for x
    x = 63,883,313,103.20/214,945.88
  6. Step 6: Final answer
    x = 297,206.50

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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.