Home / 285,446.20-428,234.10-167,056.60

Finding the Fourth Proportional to 285,446.20, 428,234.10 and 167,056.60

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Solution

The fourth proportional to 285,446.20, 428,234.10 and 167,056.60 is: 250,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,446.20 : 428,234.10 = 167,056.60 : x
  2. Step 2: Convert to fraction form
    285,446.20/428,234.10 = 167,056.60/x
  3. Step 3: Cross multiply
    285,446.20x = 428,234.10 × 167,056.60
  4. Step 4: Simplify right side
    285,446.20x = 71,539,332,750.06
  5. Step 5: Solve for x
    x = 71,539,332,750.06/285,446.20
  6. Step 6: Final answer
    x = 250,622.82

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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.