Finding the Fourth Proportional to 285,239.75, 428,074.81 and 195,066.99
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Solution
The fourth proportional to 285,239.75, 428,074.81 and 195,066.99 is: 292,747.65
Step by Step Solution
- Step 1: Write the proportion equation
285,239.75 : 428,074.81 = 195,066.99 : x - Step 2: Convert to fraction form
285,239.75/428,074.81 = 195,066.99/x - Step 3: Cross multiply
285,239.75x = 428,074.81 × 195,066.99 - Step 4: Simplify right side
285,239.75x = 83,503,264,193.85 - Step 5: Solve for x
x = 83,503,264,193.85/285,239.75 - Step 6: Final answer
x = 292,747.65
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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.