Home / 285,949.20-428,632.20-167,559.60

Finding the Fourth Proportional to 285,949.20, 428,632.20 and 167,559.60

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Solution

The fourth proportional to 285,949.20, 428,632.20 and 167,559.60 is: 251,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,949.20 : 428,632.20 = 167,559.60 : x
  2. Step 2: Convert to fraction form
    285,949.20/428,632.20 = 167,559.60/x
  3. Step 3: Cross multiply
    285,949.20x = 428,632.20 × 167,559.60
  4. Step 4: Simplify right side
    285,949.20x = 71,821,439,979.12
  5. Step 5: Solve for x
    x = 71,821,439,979.12/285,949.20
  6. Step 6: Final answer
    x = 251,168.53

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1.5x scale

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.