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Finding the Fourth Proportional to 200,202.39, 300,094.47 and 66,973.14

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Solution

The fourth proportional to 200,202.39, 300,094.47 and 66,973.14 is: 100,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,202.39 : 300,094.47 = 66,973.14 : x
  2. Step 2: Convert to fraction form
    200,202.39/300,094.47 = 66,973.14/x
  3. Step 3: Cross multiply
    200,202.39x = 300,094.47 × 66,973.14
  4. Step 4: Simplify right side
    200,202.39x = 20,098,268,952.54
  5. Step 5: Solve for x
    x = 20,098,268,952.54/200,202.39
  6. Step 6: Final answer
    x = 100,389.76

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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.