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Finding the Fourth Proportional to 383,290.20, 575,063.22 and 170,028.77

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Solution

The fourth proportional to 383,290.20, 575,063.22 and 170,028.77 is: 255,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,290.20 : 575,063.22 = 170,028.77 : x
  2. Step 2: Convert to fraction form
    383,290.20/575,063.22 = 170,028.77/x
  3. Step 3: Cross multiply
    383,290.20x = 575,063.22 × 170,028.77
  4. Step 4: Simplify right side
    383,290.20x = 97,777,292,487.66
  5. Step 5: Solve for x
    x = 97,777,292,487.66/383,290.20
  6. Step 6: Final answer
    x = 255,099.90

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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.