Home / 325,216.37-487,318.84-225,571.25

Finding the Fourth Proportional to 325,216.37, 487,318.84 and 225,571.25

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Solution

The fourth proportional to 325,216.37, 487,318.84 and 225,571.25 is: 338,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,216.37 : 487,318.84 = 225,571.25 : x
  2. Step 2: Convert to fraction form
    325,216.37/487,318.84 = 225,571.25/x
  3. Step 3: Cross multiply
    325,216.37x = 487,318.84 × 225,571.25
  4. Step 4: Simplify right side
    325,216.37x = 109,925,119,887.35
  5. Step 5: Solve for x
    x = 109,925,119,887.35/325,216.37
  6. Step 6: Final answer
    x = 338,006.11

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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.