Home / 285,940.20-428,618.70-167,550.60

Finding the Fourth Proportional to 285,940.20, 428,618.70 and 167,550.60

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Solution

The fourth proportional to 285,940.20, 428,618.70 and 167,550.60 is: 251,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,940.20 : 428,618.70 = 167,550.60 : x
  2. Step 2: Convert to fraction form
    285,940.20/428,618.70 = 167,550.60/x
  3. Step 3: Cross multiply
    285,940.20x = 428,618.70 × 167,550.60
  4. Step 4: Simplify right side
    285,940.20x = 71,815,320,356.22
  5. Step 5: Solve for x
    x = 71,815,320,356.22/285,940.20
  6. Step 6: Final answer
    x = 251,155.03

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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.