Home / 383,455.89-574,982.38-170,131.39

Finding the Fourth Proportional to 383,455.89, 574,982.38 and 170,131.39

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Solution

The fourth proportional to 383,455.89, 574,982.38 and 170,131.39 is: 255,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,455.89 : 574,982.38 = 170,131.39 : x
  2. Step 2: Convert to fraction form
    383,455.89/574,982.38 = 170,131.39/x
  3. Step 3: Cross multiply
    383,455.89x = 574,982.38 × 170,131.39
  4. Step 4: Simplify right side
    383,455.89x = 97,822,550,310.12
  5. Step 5: Solve for x
    x = 97,822,550,310.12/383,455.89
  6. Step 6: Final answer
    x = 255,107.70

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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.