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Finding the Fourth Proportional to 422,230.08, 632,340 and 244,362.24

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Solution

The fourth proportional to 422,230.08, 632,340 and 244,362.24 is: 365,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,230.08 : 632,340 = 244,362.24 : x
  2. Step 2: Convert to fraction form
    422,230.08/632,340 = 244,362.24/x
  3. Step 3: Cross multiply
    422,230.08x = 632,340 × 244,362.24
  4. Step 4: Simplify right side
    422,230.08x = 154,520,018,841.60
  5. Step 5: Solve for x
    x = 154,520,018,841.60/422,230.08
  6. Step 6: Final answer
    x = 365,961.65

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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.