Finding the Fourth Proportional to 203,702.40, 305,435.16 and 136,311.44
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Solution
The fourth proportional to 203,702.40, 305,435.16 and 136,311.44 is: 204,387.90
Step by Step Solution
- Step 1: Write the proportion equation
203,702.40 : 305,435.16 = 136,311.44 : x - Step 2: Convert to fraction form
203,702.40/305,435.16 = 136,311.44/x - Step 3: Cross multiply
203,702.40x = 305,435.16 × 136,311.44 - Step 4: Simplify right side
203,702.40x = 41,634,306,486.23 - Step 5: Solve for x
x = 41,634,306,486.23/203,702.40 - Step 6: Final answer
x = 204,387.90
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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.