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Finding the Fourth Proportional to 363,363.30, 501,464.91 and 202,217.85

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Solution

The fourth proportional to 363,363.30, 501,464.91 and 202,217.85 is: 279,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,363.30 : 501,464.91 = 202,217.85 : x
  2. Step 2: Convert to fraction form
    363,363.30/501,464.91 = 202,217.85/x
  3. Step 3: Cross multiply
    363,363.30x = 501,464.91 × 202,217.85
  4. Step 4: Simplify right side
    363,363.30x = 101,405,155,950.64
  5. Step 5: Solve for x
    x = 101,405,155,950.64/363,363.30
  6. Step 6: Final answer
    x = 279,073.74

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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.