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Finding the Fourth Proportional to 201,634.80, 302,561.55 and 83,318.10

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Solution

The fourth proportional to 201,634.80, 302,561.55 and 83,318.10 is: 125,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,634.80 : 302,561.55 = 83,318.10 : x
  2. Step 2: Convert to fraction form
    201,634.80/302,561.55 = 83,318.10/x
  3. Step 3: Cross multiply
    201,634.80x = 302,561.55 × 83,318.10
  4. Step 4: Simplify right side
    201,634.80x = 25,208,853,479.06
  5. Step 5: Solve for x
    x = 25,208,853,479.06/201,634.80
  6. Step 6: Final answer
    x = 125,022.33

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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.