Home / 255,857.24-383,788.20-98,048

Finding the Fourth Proportional to 255,857.24, 383,788.20 and 98,048

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Solution

The fourth proportional to 255,857.24, 383,788.20 and 98,048 is: 147,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,857.24 : 383,788.20 = 98,048 : x
  2. Step 2: Convert to fraction form
    255,857.24/383,788.20 = 98,048/x
  3. Step 3: Cross multiply
    255,857.24x = 383,788.20 × 98,048
  4. Step 4: Simplify right side
    255,857.24x = 37,629,665,433.60
  5. Step 5: Solve for x
    x = 37,629,665,433.60/255,857.24
  6. Step 6: Final answer
    x = 147,072.90

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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.