Home / 394,899.75-544,961.61-222,854.13

Finding the Fourth Proportional to 394,899.75, 544,961.61 and 222,854.13

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Solution

The fourth proportional to 394,899.75, 544,961.61 and 222,854.13 is: 307,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,899.75 : 544,961.61 = 222,854.13 : x
  2. Step 2: Convert to fraction form
    394,899.75/544,961.61 = 222,854.13/x
  3. Step 3: Cross multiply
    394,899.75x = 544,961.61 × 222,854.13
  4. Step 4: Simplify right side
    394,899.75x = 121,446,945,479.95
  5. Step 5: Solve for x
    x = 121,446,945,479.95/394,899.75
  6. Step 6: Final answer
    x = 307,538.67

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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.