Home / 221,066.27-331,619.45-61,152.22

Finding the Fourth Proportional to 221,066.27, 331,619.45 and 61,152.22

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Solution

The fourth proportional to 221,066.27, 331,619.45 and 61,152.22 is: 91,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,066.27 : 331,619.45 = 61,152.22 : x
  2. Step 2: Convert to fraction form
    221,066.27/331,619.45 = 61,152.22/x
  3. Step 3: Cross multiply
    221,066.27x = 331,619.45 × 61,152.22
  4. Step 4: Simplify right side
    221,066.27x = 20,279,265,562.68
  5. Step 5: Solve for x
    x = 20,279,265,562.68/221,066.27
  6. Step 6: Final answer
    x = 91,733.87

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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.