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Finding the Fourth Proportional to 200,978.01, 301,465.19 and 60,736.64

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Solution

The fourth proportional to 200,978.01, 301,465.19 and 60,736.64 is: 91,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,978.01 : 301,465.19 = 60,736.64 : x
  2. Step 2: Convert to fraction form
    200,978.01/301,465.19 = 60,736.64/x
  3. Step 3: Cross multiply
    200,978.01x = 301,465.19 × 60,736.64
  4. Step 4: Simplify right side
    200,978.01x = 18,309,981,362.08
  5. Step 5: Solve for x
    x = 18,309,981,362.08/200,978.01
  6. Step 6: Final answer
    x = 91,104.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.