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Finding the Fourth Proportional to 363,519.84, 501,584.08 and 220,196.62

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Solution

The fourth proportional to 363,519.84, 501,584.08 and 220,196.62 is: 303,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,519.84 : 501,584.08 = 220,196.62 : x
  2. Step 2: Convert to fraction form
    363,519.84/501,584.08 = 220,196.62/x
  3. Step 3: Cross multiply
    363,519.84x = 501,584.08 × 220,196.62
  4. Step 4: Simplify right side
    363,519.84x = 110,447,115,452.91
  5. Step 5: Solve for x
    x = 110,447,115,452.91/363,519.84
  6. Step 6: Final answer
    x = 303,826.93

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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.