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Finding the Fourth Proportional to 322,173.52, 444,608.70 and 178,942.79

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Solution

The fourth proportional to 322,173.52, 444,608.70 and 178,942.79 is: 246,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,173.52 : 444,608.70 = 178,942.79 : x
  2. Step 2: Convert to fraction form
    322,173.52/444,608.70 = 178,942.79/x
  3. Step 3: Cross multiply
    322,173.52x = 444,608.70 × 178,942.79
  4. Step 4: Simplify right side
    322,173.52x = 79,559,521,236.27
  5. Step 5: Solve for x
    x = 79,559,521,236.27/322,173.52
  6. Step 6: Final answer
    x = 246,946.18

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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.