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Finding the Fourth Proportional to 325,850.40, 488,775.60 and 269,863.20

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Solution

The fourth proportional to 325,850.40, 488,775.60 and 269,863.20 is: 404,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,850.40 : 488,775.60 = 269,863.20 : x
  2. Step 2: Convert to fraction form
    325,850.40/488,775.60 = 269,863.20/x
  3. Step 3: Cross multiply
    325,850.40x = 488,775.60 × 269,863.20
  4. Step 4: Simplify right side
    325,850.40x = 131,902,547,497.92
  5. Step 5: Solve for x
    x = 131,902,547,497.92/325,850.40
  6. Step 6: Final answer
    x = 404,794.80

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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.