Home / 670,857.05-1,006,072.17-221,494.25

Finding the Fourth Proportional to 670,857.05, 1,006,072.17 and 221,494.25

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Solution

The fourth proportional to 670,857.05, 1,006,072.17 and 221,494.25 is: 332,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,857.05 : 1,006,072.17 = 221,494.25 : x
  2. Step 2: Convert to fraction form
    670,857.05/1,006,072.17 = 221,494.25/x
  3. Step 3: Cross multiply
    670,857.05x = 1,006,072.17 × 221,494.25
  4. Step 4: Simplify right side
    670,857.05x = 222,839,195,709.66
  5. Step 5: Solve for x
    x = 222,839,195,709.66/670,857.05
  6. Step 6: Final answer
    x = 332,170.91

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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.