Home / 449,195.60-619,942.92-258,217.04

Finding the Fourth Proportional to 449,195.60, 619,942.92 and 258,217.04

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Solution

The fourth proportional to 449,195.60, 619,942.92 and 258,217.04 is: 356,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,195.60 : 619,942.92 = 258,217.04 : x
  2. Step 2: Convert to fraction form
    449,195.60/619,942.92 = 258,217.04/x
  3. Step 3: Cross multiply
    449,195.60x = 619,942.92 × 258,217.04
  4. Step 4: Simplify right side
    449,195.60x = 160,079,825,771.36
  5. Step 5: Solve for x
    x = 160,079,825,771.36/449,195.60
  6. Step 6: Final answer
    x = 356,369.98

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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.