Home / 251,338.28-346,731.21-222,687.18

Finding the Fourth Proportional to 251,338.28, 346,731.21 and 222,687.18

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Solution

The fourth proportional to 251,338.28, 346,731.21 and 222,687.18 is: 307,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,338.28 : 346,731.21 = 222,687.18 : x
  2. Step 2: Convert to fraction form
    251,338.28/346,731.21 = 222,687.18/x
  3. Step 3: Cross multiply
    251,338.28x = 346,731.21 × 222,687.18
  4. Step 4: Simplify right side
    251,338.28x = 77,212,595,372.89
  5. Step 5: Solve for x
    x = 77,212,595,372.89/251,338.28
  6. Step 6: Final answer
    x = 307,205.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.