Home / 363,972.99-502,286.40-200,635.31

Finding the Fourth Proportional to 363,972.99, 502,286.40 and 200,635.31

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Solution

The fourth proportional to 363,972.99, 502,286.40 and 200,635.31 is: 276,878.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,972.99 : 502,286.40 = 200,635.31 : x
  2. Step 2: Convert to fraction form
    363,972.99/502,286.40 = 200,635.31/x
  3. Step 3: Cross multiply
    363,972.99x = 502,286.40 × 200,635.31
  4. Step 4: Simplify right side
    363,972.99x = 100,776,388,828.50
  5. Step 5: Solve for x
    x = 100,776,388,828.50/363,972.99
  6. Step 6: Final answer
    x = 276,878.75

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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.