Home / 378,964.10-568,161.81-229,173.71

Finding the Fourth Proportional to 378,964.10, 568,161.81 and 229,173.71

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Solution

The fourth proportional to 378,964.10, 568,161.81 and 229,173.71 is: 343,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,964.10 : 568,161.81 = 229,173.71 : x
  2. Step 2: Convert to fraction form
    378,964.10/568,161.81 = 229,173.71/x
  3. Step 3: Cross multiply
    378,964.10x = 568,161.81 × 229,173.71
  4. Step 4: Simplify right side
    378,964.10x = 130,207,747,037.21
  5. Step 5: Solve for x
    x = 130,207,747,037.21/378,964.10
  6. Step 6: Final answer
    x = 343,588.60

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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.