Home / 408,947.27-564,359.76-222,691.05

Finding the Fourth Proportional to 408,947.27, 564,359.76 and 222,691.05

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Solution

The fourth proportional to 408,947.27, 564,359.76 and 222,691.05 is: 307,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,947.27 : 564,359.76 = 222,691.05 : x
  2. Step 2: Convert to fraction form
    408,947.27/564,359.76 = 222,691.05/x
  3. Step 3: Cross multiply
    408,947.27x = 564,359.76 × 222,691.05
  4. Step 4: Simplify right side
    408,947.27x = 125,677,867,532.15
  5. Step 5: Solve for x
    x = 125,677,867,532.15/408,947.27
  6. Step 6: Final answer
    x = 307,320.47

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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.