Finding the Fourth Proportional to 189,573.42, 284,403.96 and 100,912.44
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Solution
The fourth proportional to 189,573.42, 284,403.96 and 100,912.44 is: 151,391.99
Step by Step Solution
- Step 1: Write the proportion equation
189,573.42 : 284,403.96 = 100,912.44 : x - Step 2: Convert to fraction form
189,573.42/284,403.96 = 100,912.44/x - Step 3: Cross multiply
189,573.42x = 284,403.96 × 100,912.44 - Step 4: Simplify right side
189,573.42x = 28,699,897,549.26 - Step 5: Solve for x
x = 28,699,897,549.26/189,573.42 - Step 6: Final answer
x = 151,391.99
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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.