Home / 643,744.20-965,616.30-170,502.60

Finding the Fourth Proportional to 643,744.20, 965,616.30 and 170,502.60

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Solution

The fourth proportional to 643,744.20, 965,616.30 and 170,502.60 is: 255,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,744.20 : 965,616.30 = 170,502.60 : x
  2. Step 2: Convert to fraction form
    643,744.20/965,616.30 = 170,502.60/x
  3. Step 3: Cross multiply
    643,744.20x = 965,616.30 × 170,502.60
  4. Step 4: Simplify right side
    643,744.20x = 164,640,089,752.38
  5. Step 5: Solve for x
    x = 164,640,089,752.38/643,744.20
  6. Step 6: Final answer
    x = 255,753.90

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.