Home / 300,720.18-449,833.68-229,100.94

Finding the Fourth Proportional to 300,720.18, 449,833.68 and 229,100.94

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Solution

The fourth proportional to 300,720.18, 449,833.68 and 229,100.94 is: 342,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,720.18 : 449,833.68 = 229,100.94 : x
  2. Step 2: Convert to fraction form
    300,720.18/449,833.68 = 229,100.94/x
  3. Step 3: Cross multiply
    300,720.18x = 449,833.68 × 229,100.94
  4. Step 4: Simplify right side
    300,720.18x = 103,057,318,931.66
  5. Step 5: Solve for x
    x = 103,057,318,931.66/300,720.18
  6. Step 6: Final answer
    x = 342,701.71

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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.