Home / 671,121.77-1,006,536.85-221,736.20

Finding the Fourth Proportional to 671,121.77, 1,006,536.85 and 221,736.20

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Solution

The fourth proportional to 671,121.77, 1,006,536.85 and 221,736.20 is: 332,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,121.77 : 1,006,536.85 = 221,736.20 : x
  2. Step 2: Convert to fraction form
    671,121.77/1,006,536.85 = 221,736.20/x
  3. Step 3: Cross multiply
    671,121.77x = 1,006,536.85 × 221,736.20
  4. Step 4: Simplify right side
    671,121.77x = 223,185,650,691.95
  5. Step 5: Solve for x
    x = 223,185,650,691.95/671,121.77
  6. Step 6: Final answer
    x = 332,556.12

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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.