Home / 663,299.80-995,091.36-214,046.20

Finding the Fourth Proportional to 663,299.80, 995,091.36 and 214,046.20

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Solution

The fourth proportional to 663,299.80, 995,091.36 and 214,046.20 is: 321,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,299.80 : 995,091.36 = 214,046.20 : x
  2. Step 2: Convert to fraction form
    663,299.80/995,091.36 = 214,046.20/x
  3. Step 3: Cross multiply
    663,299.80x = 995,091.36 × 214,046.20
  4. Step 4: Simplify right side
    663,299.80x = 212,995,524,260.83
  5. Step 5: Solve for x
    x = 212,995,524,260.83/663,299.80
  6. Step 6: Final answer
    x = 321,115.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.