Home / 272,260.32-408,087.84-205,483.92

Finding the Fourth Proportional to 272,260.32, 408,087.84 and 205,483.92

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Solution

The fourth proportional to 272,260.32, 408,087.84 and 205,483.92 is: 307,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,260.32 : 408,087.84 = 205,483.92 : x
  2. Step 2: Convert to fraction form
    272,260.32/408,087.84 = 205,483.92/x
  3. Step 3: Cross multiply
    272,260.32x = 408,087.84 × 205,483.92
  4. Step 4: Simplify right side
    272,260.32x = 83,855,489,067.53
  5. Step 5: Solve for x
    x = 83,855,489,067.53/272,260.32
  6. Step 6: Final answer
    x = 307,997.47

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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.