Home / 272,743.20-408,920.40-104,198.40

Finding the Fourth Proportional to 272,743.20, 408,920.40 and 104,198.40

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Solution

The fourth proportional to 272,743.20, 408,920.40 and 104,198.40 is: 156,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,743.20 : 408,920.40 = 104,198.40 : x
  2. Step 2: Convert to fraction form
    272,743.20/408,920.40 = 104,198.40/x
  3. Step 3: Cross multiply
    272,743.20x = 408,920.40 × 104,198.40
  4. Step 4: Simplify right side
    272,743.20x = 42,608,851,407.36
  5. Step 5: Solve for x
    x = 42,608,851,407.36/272,743.20
  6. Step 6: Final answer
    x = 156,223.33

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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.