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Finding the Fourth Proportional to 262,910.40, 394,657.20 and 204,007.20

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Solution

The fourth proportional to 262,910.40, 394,657.20 and 204,007.20 is: 306,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,910.40 : 394,657.20 = 204,007.20 : x
  2. Step 2: Convert to fraction form
    262,910.40/394,657.20 = 204,007.20/x
  3. Step 3: Cross multiply
    262,910.40x = 394,657.20 × 204,007.20
  4. Step 4: Simplify right side
    262,910.40x = 80,512,910,331.84
  5. Step 5: Solve for x
    x = 80,512,910,331.84/262,910.40
  6. Step 6: Final answer
    x = 306,237.07

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1.5x scale

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.