Home / 290,543.28-400,906.08-163,194.48

Finding the Fourth Proportional to 290,543.28, 400,906.08 and 163,194.48

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Solution

The fourth proportional to 290,543.28, 400,906.08 and 163,194.48 is: 225,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,543.28 : 400,906.08 = 163,194.48 : x
  2. Step 2: Convert to fraction form
    290,543.28/400,906.08 = 163,194.48/x
  3. Step 3: Cross multiply
    290,543.28x = 400,906.08 × 163,194.48
  4. Step 4: Simplify right side
    290,543.28x = 65,425,659,254.44
  5. Step 5: Solve for x
    x = 65,425,659,254.44/290,543.28
  6. Step 6: Final answer
    x = 225,183.87

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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.