Home / 408,273.75-563,436.54-227,004.12

Finding the Fourth Proportional to 408,273.75, 563,436.54 and 227,004.12

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Solution

The fourth proportional to 408,273.75, 563,436.54 and 227,004.12 is: 313,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,273.75 : 563,436.54 = 227,004.12 : x
  2. Step 2: Convert to fraction form
    408,273.75/563,436.54 = 227,004.12/x
  3. Step 3: Cross multiply
    408,273.75x = 563,436.54 × 227,004.12
  4. Step 4: Simplify right side
    408,273.75x = 127,902,415,938.55
  5. Step 5: Solve for x
    x = 127,902,415,938.55/408,273.75
  6. Step 6: Final answer
    x = 313,276.12

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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.