Home / 325,164.82-487,834.89-135,562.18

Finding the Fourth Proportional to 325,164.82, 487,834.89 and 135,562.18

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Solution

The fourth proportional to 325,164.82, 487,834.89 and 135,562.18 is: 203,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,164.82 : 487,834.89 = 135,562.18 : x
  2. Step 2: Convert to fraction form
    325,164.82/487,834.89 = 135,562.18/x
  3. Step 3: Cross multiply
    325,164.82x = 487,834.89 × 135,562.18
  4. Step 4: Simplify right side
    325,164.82x = 66,131,961,168.46
  5. Step 5: Solve for x
    x = 66,131,961,168.46/325,164.82
  6. Step 6: Final answer
    x = 203,379.82

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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.