Finding the Fourth Proportional to 203,522.42, 305,241.82 and 77,119.09
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Solution
The fourth proportional to 203,522.42, 305,241.82 and 77,119.09 is: 115,662.79
Step by Step Solution
- Step 1: Write the proportion equation
203,522.42 : 305,241.82 = 77,119.09 : x - Step 2: Convert to fraction form
203,522.42/305,241.82 = 77,119.09/x - Step 3: Cross multiply
203,522.42x = 305,241.82 × 77,119.09 - Step 4: Simplify right side
203,522.42x = 23,539,970,432.44 - Step 5: Solve for x
x = 23,539,970,432.44/203,522.42 - Step 6: Final answer
x = 115,662.79
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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.