Home / 804,181.80-1,206,186.30-213,205.80

Finding the Fourth Proportional to 804,181.80, 1,206,186.30 and 213,205.80

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Solution

The fourth proportional to 804,181.80, 1,206,186.30 and 213,205.80 is: 319,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,181.80 : 1,206,186.30 = 213,205.80 : x
  2. Step 2: Convert to fraction form
    804,181.80/1,206,186.30 = 213,205.80/x
  3. Step 3: Cross multiply
    804,181.80x = 1,206,186.30 × 213,205.80
  4. Step 4: Simplify right side
    804,181.80x = 257,165,915,040.54
  5. Step 5: Solve for x
    x = 257,165,915,040.54/804,181.80
  6. Step 6: Final answer
    x = 319,785.79

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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.