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Finding the Fourth Proportional to 408,910.41, 564,312.96 and 227,610.86

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Solution

The fourth proportional to 408,910.41, 564,312.96 and 227,610.86 is: 314,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,910.41 : 564,312.96 = 227,610.86 : x
  2. Step 2: Convert to fraction form
    408,910.41/564,312.96 = 227,610.86/x
  3. Step 3: Cross multiply
    408,910.41x = 564,312.96 × 227,610.86
  4. Step 4: Simplify right side
    408,910.41x = 128,443,755,313.18
  5. Step 5: Solve for x
    x = 128,443,755,313.18/408,910.41
  6. Step 6: Final answer
    x = 314,112.22

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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.