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Finding the Fourth Proportional to 449,962, 620,960.52 and 248,770.96

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Solution

The fourth proportional to 449,962, 620,960.52 and 248,770.96 is: 343,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,962 : 620,960.52 = 248,770.96 : x
  2. Step 2: Convert to fraction form
    449,962/620,960.52 = 248,770.96/x
  3. Step 3: Cross multiply
    449,962x = 620,960.52 × 248,770.96
  4. Step 4: Simplify right side
    449,962x = 154,476,944,682.50
  5. Step 5: Solve for x
    x = 154,476,944,682.50/449,962
  6. Step 6: Final answer
    x = 343,311.09

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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.