Home / 204,219.40-306,620.70-159,896.20

Finding the Fourth Proportional to 204,219.40, 306,620.70 and 159,896.20

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Solution

The fourth proportional to 204,219.40, 306,620.70 and 159,896.20 is: 240,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,219.40 : 306,620.70 = 159,896.20 : x
  2. Step 2: Convert to fraction form
    204,219.40/306,620.70 = 159,896.20/x
  3. Step 3: Cross multiply
    204,219.40x = 306,620.70 × 159,896.20
  4. Step 4: Simplify right side
    204,219.40x = 49,027,484,771.34
  5. Step 5: Solve for x
    x = 49,027,484,771.34/204,219.40
  6. Step 6: Final answer
    x = 240,072.61

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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.