Home / 394,719.30-544,718.37-222,645.47

Finding the Fourth Proportional to 394,719.30, 544,718.37 and 222,645.47

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Solution

The fourth proportional to 394,719.30, 544,718.37 and 222,645.47 is: 307,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,719.30 : 544,718.37 = 222,645.47 : x
  2. Step 2: Convert to fraction form
    394,719.30/544,718.37 = 222,645.47/x
  3. Step 3: Cross multiply
    394,719.30x = 544,718.37 × 222,645.47
  4. Step 4: Simplify right side
    394,719.30x = 121,279,074,782.69
  5. Step 5: Solve for x
    x = 121,279,074,782.69/394,719.30
  6. Step 6: Final answer
    x = 307,253.98

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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.