Home / 355,272.35-490,603.23-228,169.44

Finding the Fourth Proportional to 355,272.35, 490,603.23 and 228,169.44

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Solution

The fourth proportional to 355,272.35, 490,603.23 and 228,169.44 is: 315,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,272.35 : 490,603.23 = 228,169.44 : x
  2. Step 2: Convert to fraction form
    355,272.35/490,603.23 = 228,169.44/x
  3. Step 3: Cross multiply
    355,272.35x = 490,603.23 × 228,169.44
  4. Step 4: Simplify right side
    355,272.35x = 111,940,664,251.29
  5. Step 5: Solve for x
    x = 111,940,664,251.29/355,272.35
  6. Step 6: Final answer
    x = 315,084.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.