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Finding the Fourth Proportional to 269,677.20, 404,661.60 and 119,940.60

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Solution

The fourth proportional to 269,677.20, 404,661.60 and 119,940.60 is: 179,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,677.20 : 404,661.60 = 119,940.60 : x
  2. Step 2: Convert to fraction form
    269,677.20/404,661.60 = 119,940.60/x
  3. Step 3: Cross multiply
    269,677.20x = 404,661.60 × 119,940.60
  4. Step 4: Simplify right side
    269,677.20x = 48,535,355,100.96
  5. Step 5: Solve for x
    x = 48,535,355,100.96/269,677.20
  6. Step 6: Final answer
    x = 179,975.75

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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.