Home / 343,936.47-515,633.37-217,309.85

Finding the Fourth Proportional to 343,936.47, 515,633.37 and 217,309.85

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Solution

The fourth proportional to 343,936.47, 515,633.37 and 217,309.85 is: 325,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,936.47 : 515,633.37 = 217,309.85 : x
  2. Step 2: Convert to fraction form
    343,936.47/515,633.37 = 217,309.85/x
  3. Step 3: Cross multiply
    343,936.47x = 515,633.37 × 217,309.85
  4. Step 4: Simplify right side
    343,936.47x = 112,052,207,711.53
  5. Step 5: Solve for x
    x = 112,052,207,711.53/343,936.47
  6. Step 6: Final answer
    x = 325,793.33

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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.