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Finding the Fourth Proportional to 350,763.47, 484,185.22 and 229,912.54

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Solution

The fourth proportional to 350,763.47, 484,185.22 and 229,912.54 is: 317,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,763.47 : 484,185.22 = 229,912.54 : x
  2. Step 2: Convert to fraction form
    350,763.47/484,185.22 = 229,912.54/x
  3. Step 3: Cross multiply
    350,763.47x = 484,185.22 × 229,912.54
  4. Step 4: Simplify right side
    350,763.47x = 111,320,253,760.66
  5. Step 5: Solve for x
    x = 111,320,253,760.66/350,763.47
  6. Step 6: Final answer
    x = 317,365.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.