Home / 325,214.37-487,315.85-225,569.25

Finding the Fourth Proportional to 325,214.37, 487,315.85 and 225,569.25

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Solution

The fourth proportional to 325,214.37, 487,315.85 and 225,569.25 is: 338,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,214.37 : 487,315.85 = 225,569.25 : x
  2. Step 2: Convert to fraction form
    325,214.37/487,315.85 = 225,569.25/x
  3. Step 3: Cross multiply
    325,214.37x = 487,315.85 × 225,569.25
  4. Step 4: Simplify right side
    325,214.37x = 109,923,469,669.77
  5. Step 5: Solve for x
    x = 109,923,469,669.77/325,214.37
  6. Step 6: Final answer
    x = 338,003.11

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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.