Home / 285,414.20-427,814.10-107,852.60

Finding the Fourth Proportional to 285,414.20, 427,814.10 and 107,852.60

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Solution

The fourth proportional to 285,414.20, 427,814.10 and 107,852.60 is: 161,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,414.20 : 427,814.10 = 107,852.60 : x
  2. Step 2: Convert to fraction form
    285,414.20/427,814.10 = 107,852.60/x
  3. Step 3: Cross multiply
    285,414.20x = 427,814.10 × 107,852.60
  4. Step 4: Simplify right side
    285,414.20x = 46,140,863,001.66
  5. Step 5: Solve for x
    x = 46,140,863,001.66/285,414.20
  6. Step 6: Final answer
    x = 161,662.81

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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.