Home / 436,311.72-654,467.50-136,793.84

Finding the Fourth Proportional to 436,311.72, 654,467.50 and 136,793.84

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Solution

The fourth proportional to 436,311.72, 654,467.50 and 136,793.84 is: 205,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,311.72 : 654,467.50 = 136,793.84 : x
  2. Step 2: Convert to fraction form
    436,311.72/654,467.50 = 136,793.84/x
  3. Step 3: Cross multiply
    436,311.72x = 654,467.50 × 136,793.84
  4. Step 4: Simplify right side
    436,311.72x = 89,527,122,480.20
  5. Step 5: Solve for x
    x = 89,527,122,480.20/436,311.72
  6. Step 6: Final answer
    x = 205,190.73

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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.