Home / 399,563.43-551,414.36-229,797.75

Finding the Fourth Proportional to 399,563.43, 551,414.36 and 229,797.75

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Solution

The fourth proportional to 399,563.43, 551,414.36 and 229,797.75 is: 317,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,563.43 : 551,414.36 = 229,797.75 : x
  2. Step 2: Convert to fraction form
    399,563.43/551,414.36 = 229,797.75/x
  3. Step 3: Cross multiply
    399,563.43x = 551,414.36 × 229,797.75
  4. Step 4: Simplify right side
    399,563.43x = 126,713,778,096.70
  5. Step 5: Solve for x
    x = 126,713,778,096.70/399,563.43
  6. Step 6: Final answer
    x = 317,130.57

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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.