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Finding the Fourth Proportional to 408,293.31, 563,437.47 and 227,001.34

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Solution

The fourth proportional to 408,293.31, 563,437.47 and 227,001.34 is: 313,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,293.31 : 563,437.47 = 227,001.34 : x
  2. Step 2: Convert to fraction form
    408,293.31/563,437.47 = 227,001.34/x
  3. Step 3: Cross multiply
    408,293.31x = 563,437.47 × 227,001.34
  4. Step 4: Simplify right side
    408,293.31x = 127,901,057,805.54
  5. Step 5: Solve for x
    x = 127,901,057,805.54/408,293.31
  6. Step 6: Final answer
    x = 313,257.79

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1.5x scale

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.