Finding the Fourth Proportional to 203,699.80, 305,549.70 and 151,211.80
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Solution
The fourth proportional to 203,699.80, 305,549.70 and 151,211.80 is: 226,817.70
Step by Step Solution
- Step 1: Write the proportion equation
203,699.80 : 305,549.70 = 151,211.80 : x - Step 2: Convert to fraction form
203,699.80/305,549.70 = 151,211.80/x - Step 3: Cross multiply
203,699.80x = 305,549.70 × 151,211.80 - Step 4: Simplify right side
203,699.80x = 46,202,720,126.46 - Step 5: Solve for x
x = 46,202,720,126.46/203,699.80 - Step 6: Final answer
x = 226,817.70
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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.