Home / 395,046.38-545,171.04-222,998.74

Finding the Fourth Proportional to 395,046.38, 545,171.04 and 222,998.74

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Solution

The fourth proportional to 395,046.38, 545,171.04 and 222,998.74 is: 307,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,046.38 : 545,171.04 = 222,998.74 : x
  2. Step 2: Convert to fraction form
    395,046.38/545,171.04 = 222,998.74/x
  3. Step 3: Cross multiply
    395,046.38x = 545,171.04 × 222,998.74
  4. Step 4: Simplify right side
    395,046.38x = 121,572,453,641.56
  5. Step 5: Solve for x
    x = 121,572,453,641.56/395,046.38
  6. Step 6: Final answer
    x = 307,742.23

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1.5x scale

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.