Home / 670,301.82-1,005,519.15-221,027.22

Finding the Fourth Proportional to 670,301.82, 1,005,519.15 and 221,027.22

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Solution

The fourth proportional to 670,301.82, 1,005,519.15 and 221,027.22 is: 331,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,301.82 : 1,005,519.15 = 221,027.22 : x
  2. Step 2: Convert to fraction form
    670,301.82/1,005,519.15 = 221,027.22/x
  3. Step 3: Cross multiply
    670,301.82x = 1,005,519.15 × 221,027.22
  4. Step 4: Simplify right side
    670,301.82x = 222,247,102,381.26
  5. Step 5: Solve for x
    x = 222,247,102,381.26/670,301.82
  6. Step 6: Final answer
    x = 331,562.73

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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.