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Finding the Fourth Proportional to 250,471.59, 345,449.25 and 220,192.17

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Solution

The fourth proportional to 250,471.59, 345,449.25 and 220,192.17 is: 303,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,471.59 : 345,449.25 = 220,192.17 : x
  2. Step 2: Convert to fraction form
    250,471.59/345,449.25 = 220,192.17/x
  3. Step 3: Cross multiply
    250,471.59x = 345,449.25 × 220,192.17
  4. Step 4: Simplify right side
    250,471.59x = 76,065,219,982.37
  5. Step 5: Solve for x
    x = 76,065,219,982.37/250,471.59
  6. Step 6: Final answer
    x = 303,688.02

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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.