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Finding the Fourth Proportional to 200,425.68, 300,664.44 and 67,261.68

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Solution

The fourth proportional to 200,425.68, 300,664.44 and 67,261.68 is: 100,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,425.68 : 300,664.44 = 67,261.68 : x
  2. Step 2: Convert to fraction form
    200,425.68/300,664.44 = 67,261.68/x
  3. Step 3: Cross multiply
    200,425.68x = 300,664.44 × 67,261.68
  4. Step 4: Simplify right side
    200,425.68x = 20,223,195,350.66
  5. Step 5: Solve for x
    x = 20,223,195,350.66/200,425.68
  6. Step 6: Final answer
    x = 100,901.22

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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.