Home / 449,412.32-620,185.20-248,204

Finding the Fourth Proportional to 449,412.32, 620,185.20 and 248,204

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Solution

The fourth proportional to 449,412.32, 620,185.20 and 248,204 is: 342,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,412.32 : 620,185.20 = 248,204 : x
  2. Step 2: Convert to fraction form
    449,412.32/620,185.20 = 248,204/x
  3. Step 3: Cross multiply
    449,412.32x = 620,185.20 × 248,204
  4. Step 4: Simplify right side
    449,412.32x = 153,932,447,380.80
  5. Step 5: Solve for x
    x = 153,932,447,380.80/449,412.32
  6. Step 6: Final answer
    x = 342,519.42

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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.