Finding the Fourth Proportional to 195,817.21, 269,898.83 and 149,861.05
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Solution
The fourth proportional to 195,817.21, 269,898.83 and 149,861.05 is: 206,556.52
Step by Step Solution
- Step 1: Write the proportion equation
195,817.21 : 269,898.83 = 149,861.05 : x - Step 2: Convert to fraction form
195,817.21/269,898.83 = 149,861.05/x - Step 3: Cross multiply
195,817.21x = 269,898.83 × 149,861.05 - Step 4: Simplify right side
195,817.21x = 40,447,321,308.27 - Step 5: Solve for x
x = 40,447,321,308.27/195,817.21 - Step 6: Final answer
x = 206,556.52
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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.