Finding the Fourth Proportional to 204,403.47, 306,517.68 and 71,244.33
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Solution
The fourth proportional to 204,403.47, 306,517.68 and 71,244.33 is: 106,835.99
Step by Step Solution
- Step 1: Write the proportion equation
204,403.47 : 306,517.68 = 71,244.33 : x - Step 2: Convert to fraction form
204,403.47/306,517.68 = 71,244.33/x - Step 3: Cross multiply
204,403.47x = 306,517.68 × 71,244.33 - Step 4: Simplify right side
204,403.47x = 21,837,646,744.75 - Step 5: Solve for x
x = 21,837,646,744.75/204,403.47 - Step 6: Final answer
x = 106,835.99
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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.