Finding the Fourth Proportional to 203,902.20, 305,853.30 and 119,702.70
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Solution
The fourth proportional to 203,902.20, 305,853.30 and 119,702.70 is: 179,554.05
Step by Step Solution
- Step 1: Write the proportion equation
203,902.20 : 305,853.30 = 119,702.70 : x - Step 2: Convert to fraction form
203,902.20/305,853.30 = 119,702.70/x - Step 3: Cross multiply
203,902.20x = 305,853.30 × 119,702.70 - Step 4: Simplify right side
203,902.20x = 36,611,465,813.91 - Step 5: Solve for x
x = 36,611,465,813.91/203,902.20 - Step 6: Final answer
x = 179,554.05
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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.