Home / 408,743.37-612,228.92-197,939.25

Finding the Fourth Proportional to 408,743.37, 612,228.92 and 197,939.25

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Solution

The fourth proportional to 408,743.37, 612,228.92 and 197,939.25 is: 296,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,743.37 : 612,228.92 = 197,939.25 : x
  2. Step 2: Convert to fraction form
    408,743.37/612,228.92 = 197,939.25/x
  3. Step 3: Cross multiply
    408,743.37x = 612,228.92 × 197,939.25
  4. Step 4: Simplify right side
    408,743.37x = 121,184,132,263.41
  5. Step 5: Solve for x
    x = 121,184,132,263.41/408,743.37
  6. Step 6: Final answer
    x = 296,479.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.