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Finding the Fourth Proportional to 383,230.86, 575,110.17 and 133,912.86

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Solution

The fourth proportional to 383,230.86, 575,110.17 and 133,912.86 is: 200,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,230.86 : 575,110.17 = 133,912.86 : x
  2. Step 2: Convert to fraction form
    383,230.86/575,110.17 = 133,912.86/x
  3. Step 3: Cross multiply
    383,230.86x = 575,110.17 × 133,912.86
  4. Step 4: Simplify right side
    383,230.86x = 77,014,647,679.79
  5. Step 5: Solve for x
    x = 77,014,647,679.79/383,230.86
  6. Step 6: Final answer
    x = 200,961.50

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1.5x scale

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.