Home / 408,513.29-563,740.20-227,221.29

Finding the Fourth Proportional to 408,513.29, 563,740.20 and 227,221.29

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Solution

The fourth proportional to 408,513.29, 563,740.20 and 227,221.29 is: 313,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,513.29 : 563,740.20 = 227,221.29 : x
  2. Step 2: Convert to fraction form
    408,513.29/563,740.20 = 227,221.29/x
  3. Step 3: Cross multiply
    408,513.29x = 563,740.20 × 227,221.29
  4. Step 4: Simplify right side
    408,513.29x = 128,093,775,468.86
  5. Step 5: Solve for x
    x = 128,093,775,468.86/408,513.29
  6. Step 6: Final answer
    x = 313,560.86

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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.