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Finding the Fourth Proportional to 383,793.90, 574,942.59 and 233,661.84

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Solution

The fourth proportional to 383,793.90, 574,942.59 and 233,661.84 is: 350,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,793.90 : 574,942.59 = 233,661.84 : x
  2. Step 2: Convert to fraction form
    383,793.90/574,942.59 = 233,661.84/x
  3. Step 3: Cross multiply
    383,793.90x = 574,942.59 × 233,661.84
  4. Step 4: Simplify right side
    383,793.90x = 134,342,143,473.77
  5. Step 5: Solve for x
    x = 134,342,143,473.77/383,793.90
  6. Step 6: Final answer
    x = 350,037.20

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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.