Home / 447,286.22-617,240.90-243,331.91

Finding the Fourth Proportional to 447,286.22, 617,240.90 and 243,331.91

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Solution

The fourth proportional to 447,286.22, 617,240.90 and 243,331.91 is: 335,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,286.22 : 617,240.90 = 243,331.91 : x
  2. Step 2: Convert to fraction form
    447,286.22/617,240.90 = 243,331.91/x
  3. Step 3: Cross multiply
    447,286.22x = 617,240.90 × 243,331.91
  4. Step 4: Simplify right side
    447,286.22x = 150,194,404,649.24
  5. Step 5: Solve for x
    x = 150,194,404,649.24/447,286.22
  6. Step 6: Final answer
    x = 335,790.37

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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.