Home / 325,664.20-488,933.70-207,857.80

Finding the Fourth Proportional to 325,664.20, 488,933.70 and 207,857.80

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Solution

The fourth proportional to 325,664.20, 488,933.70 and 207,857.80 is: 312,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,664.20 : 488,933.70 = 207,857.80 : x
  2. Step 2: Convert to fraction form
    325,664.20/488,933.70 = 207,857.80/x
  3. Step 3: Cross multiply
    325,664.20x = 488,933.70 × 207,857.80
  4. Step 4: Simplify right side
    325,664.20x = 101,628,683,227.86
  5. Step 5: Solve for x
    x = 101,628,683,227.86/325,664.20
  6. Step 6: Final answer
    x = 312,065.87

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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.