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Finding the Fourth Proportional to 408,294.25, 563,445.55 and 227,000.45

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Solution

The fourth proportional to 408,294.25, 563,445.55 and 227,000.45 is: 313,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,294.25 : 563,445.55 = 227,000.45 : x
  2. Step 2: Convert to fraction form
    408,294.25/563,445.55 = 227,000.45/x
  3. Step 3: Cross multiply
    408,294.25x = 563,445.55 × 227,000.45
  4. Step 4: Simplify right side
    408,294.25x = 127,902,395,092.86
  5. Step 5: Solve for x
    x = 127,902,395,092.86/408,294.25
  6. Step 6: Final answer
    x = 313,260.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.