Home / 295,942.32-443,979.84-85,596.60

Finding the Fourth Proportional to 295,942.32, 443,979.84 and 85,596.60

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Solution

The fourth proportional to 295,942.32, 443,979.84 and 85,596.60 is: 128,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,942.32 : 443,979.84 = 85,596.60 : x
  2. Step 2: Convert to fraction form
    295,942.32/443,979.84 = 85,596.60/x
  3. Step 3: Cross multiply
    295,942.32x = 443,979.84 × 85,596.60
  4. Step 4: Simplify right side
    295,942.32x = 38,003,164,772.54
  5. Step 5: Solve for x
    x = 38,003,164,772.54/295,942.32
  6. Step 6: Final answer
    x = 128,414.09

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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.