Home / 290,532.28-400,890.90-163,183.48

Finding the Fourth Proportional to 290,532.28, 400,890.90 and 163,183.48

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Solution

The fourth proportional to 290,532.28, 400,890.90 and 163,183.48 is: 225,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,532.28 : 400,890.90 = 163,183.48 : x
  2. Step 2: Convert to fraction form
    290,532.28/400,890.90 = 163,183.48/x
  3. Step 3: Cross multiply
    290,532.28x = 400,890.90 × 163,183.48
  4. Step 4: Simplify right side
    290,532.28x = 65,418,772,162.33
  5. Step 5: Solve for x
    x = 65,418,772,162.33/290,532.28
  6. Step 6: Final answer
    x = 225,168.69

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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.