Home / 285,454.20-428,246.10-167,064.60

Finding the Fourth Proportional to 285,454.20, 428,246.10 and 167,064.60

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Solution

The fourth proportional to 285,454.20, 428,246.10 and 167,064.60 is: 250,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,454.20 : 428,246.10 = 167,064.60 : x
  2. Step 2: Convert to fraction form
    285,454.20/428,246.10 = 167,064.60/x
  3. Step 3: Cross multiply
    285,454.20x = 428,246.10 × 167,064.60
  4. Step 4: Simplify right side
    285,454.20x = 71,544,763,398.06
  5. Step 5: Solve for x
    x = 71,544,763,398.06/285,454.20
  6. Step 6: Final answer
    x = 250,634.82

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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.