Home / 408,382.29-563,540.88-227,087.48

Finding the Fourth Proportional to 408,382.29, 563,540.88 and 227,087.48

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Solution

The fourth proportional to 408,382.29, 563,540.88 and 227,087.48 is: 313,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,382.29 : 563,540.88 = 227,087.48 : x
  2. Step 2: Convert to fraction form
    408,382.29/563,540.88 = 227,087.48/x
  3. Step 3: Cross multiply
    408,382.29x = 563,540.88 × 227,087.48
  4. Step 4: Simplify right side
    408,382.29x = 127,973,078,316.18
  5. Step 5: Solve for x
    x = 127,973,078,316.18/408,382.29
  6. Step 6: Final answer
    x = 313,365.89

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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.