Home / 399,291.37-597,982.21-230,299.38

Finding the Fourth Proportional to 399,291.37, 597,982.21 and 230,299.38

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Solution

The fourth proportional to 399,291.37, 597,982.21 and 230,299.38 is: 344,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,291.37 : 597,982.21 = 230,299.38 : x
  2. Step 2: Convert to fraction form
    399,291.37/597,982.21 = 230,299.38/x
  3. Step 3: Cross multiply
    399,291.37x = 597,982.21 × 230,299.38
  4. Step 4: Simplify right side
    399,291.37x = 137,714,928,072.62
  5. Step 5: Solve for x
    x = 137,714,928,072.62/399,291.37
  6. Step 6: Final answer
    x = 344,898.34

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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.