Finding the Fourth Proportional to 203,905.10, 305,252.85 and 151,546.70
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Solution
The fourth proportional to 203,905.10, 305,252.85 and 151,546.70 is: 226,870.55
Step by Step Solution
- Step 1: Write the proportion equation
203,905.10 : 305,252.85 = 151,546.70 : x - Step 2: Convert to fraction form
203,905.10/305,252.85 = 151,546.70/x - Step 3: Cross multiply
203,905.10x = 305,252.85 × 151,546.70 - Step 4: Simplify right side
203,905.10x = 46,260,062,083.10 - Step 5: Solve for x
x = 46,260,062,083.10/203,905.10 - Step 6: Final answer
x = 226,870.55
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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.