Home / 211,727.82-317,593.17-71,487.66

Finding the Fourth Proportional to 211,727.82, 317,593.17 and 71,487.66

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Solution

The fourth proportional to 211,727.82, 317,593.17 and 71,487.66 is: 107,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,727.82 : 317,593.17 = 71,487.66 : x
  2. Step 2: Convert to fraction form
    211,727.82/317,593.17 = 71,487.66/x
  3. Step 3: Cross multiply
    211,727.82x = 317,593.17 × 71,487.66
  4. Step 4: Simplify right side
    211,727.82x = 22,703,992,555.28
  5. Step 5: Solve for x
    x = 22,703,992,555.28/211,727.82
  6. Step 6: Final answer
    x = 107,231.98

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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.