Home / 383,763.24-575,777.61-131,221.48

Finding the Fourth Proportional to 383,763.24, 575,777.61 and 131,221.48

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Solution

The fourth proportional to 383,763.24, 575,777.61 and 131,221.48 is: 196,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,763.24 : 575,777.61 = 131,221.48 : x
  2. Step 2: Convert to fraction form
    383,763.24/575,777.61 = 131,221.48/x
  3. Step 3: Cross multiply
    383,763.24x = 575,777.61 × 131,221.48
  4. Step 4: Simplify right side
    383,763.24x = 75,554,390,135.06
  5. Step 5: Solve for x
    x = 75,554,390,135.06/383,763.24
  6. Step 6: Final answer
    x = 196,877.61

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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.