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Finding the Fourth Proportional to 303,069.48, 454,735.32 and 162,664.08

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Solution

The fourth proportional to 303,069.48, 454,735.32 and 162,664.08 is: 244,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,069.48 : 454,735.32 = 162,664.08 : x
  2. Step 2: Convert to fraction form
    303,069.48/454,735.32 = 162,664.08/x
  3. Step 3: Cross multiply
    303,069.48x = 454,735.32 × 162,664.08
  4. Step 4: Simplify right side
    303,069.48x = 73,969,102,471.31
  5. Step 5: Solve for x
    x = 73,969,102,471.31/303,069.48
  6. Step 6: Final answer
    x = 244,066.48

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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.