Home / 285,701.14-394,187.77-225,083.66

Finding the Fourth Proportional to 285,701.14, 394,187.77 and 225,083.66

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Solution

The fourth proportional to 285,701.14, 394,187.77 and 225,083.66 is: 310,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,701.14 : 394,187.77 = 225,083.66 : x
  2. Step 2: Convert to fraction form
    285,701.14/394,187.77 = 225,083.66/x
  3. Step 3: Cross multiply
    285,701.14x = 394,187.77 × 225,083.66
  4. Step 4: Simplify right side
    285,701.14x = 88,725,225,998.84
  5. Step 5: Solve for x
    x = 88,725,225,998.84/285,701.14
  6. Step 6: Final answer
    x = 310,552.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.