Home / 325,243.04-487,849.92-135,625.28

Finding the Fourth Proportional to 325,243.04, 487,849.92 and 135,625.28

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Solution

The fourth proportional to 325,243.04, 487,849.92 and 135,625.28 is: 203,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,243.04 : 487,849.92 = 135,625.28 : x
  2. Step 2: Convert to fraction form
    325,243.04/487,849.92 = 135,625.28/x
  3. Step 3: Cross multiply
    325,243.04x = 487,849.92 × 135,625.28
  4. Step 4: Simplify right side
    325,243.04x = 66,164,781,997.98
  5. Step 5: Solve for x
    x = 66,164,781,997.98/325,243.04
  6. Step 6: Final answer
    x = 203,431.82

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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.