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Finding the Fourth Proportional to 227,628.40, 341,442.60 and 180,626.80

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Solution

The fourth proportional to 227,628.40, 341,442.60 and 180,626.80 is: 270,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,628.40 : 341,442.60 = 180,626.80 : x
  2. Step 2: Convert to fraction form
    227,628.40/341,442.60 = 180,626.80/x
  3. Step 3: Cross multiply
    227,628.40x = 341,442.60 × 180,626.80
  4. Step 4: Simplify right side
    227,628.40x = 61,673,684,221.68
  5. Step 5: Solve for x
    x = 61,673,684,221.68/227,628.40
  6. Step 6: Final answer
    x = 270,940.20

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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.