Home / 305,724.26-458,585.78-200,518.62

Finding the Fourth Proportional to 305,724.26, 458,585.78 and 200,518.62

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Solution

The fourth proportional to 305,724.26, 458,585.78 and 200,518.62 is: 300,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,724.26 : 458,585.78 = 200,518.62 : x
  2. Step 2: Convert to fraction form
    305,724.26/458,585.78 = 200,518.62/x
  3. Step 3: Cross multiply
    305,724.26x = 458,585.78 × 200,518.62
  4. Step 4: Simplify right side
    305,724.26x = 91,954,986,754.63
  5. Step 5: Solve for x
    x = 91,954,986,754.63/305,724.26
  6. Step 6: Final answer
    x = 300,777.53

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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.