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Finding the Fourth Proportional to 253,561.46, 380,489.81 and 95,802.21

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Solution

The fourth proportional to 253,561.46, 380,489.81 and 95,802.21 is: 143,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,561.46 : 380,489.81 = 95,802.21 : x
  2. Step 2: Convert to fraction form
    253,561.46/380,489.81 = 95,802.21/x
  3. Step 3: Cross multiply
    253,561.46x = 380,489.81 × 95,802.21
  4. Step 4: Simplify right side
    253,561.46x = 36,451,764,201.47
  5. Step 5: Solve for x
    x = 36,451,764,201.47/253,561.46
  6. Step 6: Final answer
    x = 143,759.09

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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.