Finding the Fourth Proportional to 204,507.09, 306,834.48 and 71,406.99
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Solution
The fourth proportional to 204,507.09, 306,834.48 and 71,406.99 is: 107,136.27
Step by Step Solution
- Step 1: Write the proportion equation
204,507.09 : 306,834.48 = 71,406.99 : x - Step 2: Convert to fraction form
204,507.09/306,834.48 = 71,406.99/x - Step 3: Cross multiply
204,507.09x = 306,834.48 × 71,406.99 - Step 4: Simplify right side
204,507.09x = 21,910,126,645.02 - Step 5: Solve for x
x = 21,910,126,645.02/204,507.09 - Step 6: Final answer
x = 107,136.27
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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.