Finding the Fourth Proportional to 206,591.10, 309,230.55 and 190,844.70
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Solution
The fourth proportional to 206,591.10, 309,230.55 and 190,844.70 is: 285,660.96
Step by Step Solution
- Step 1: Write the proportion equation
206,591.10 : 309,230.55 = 190,844.70 : x - Step 2: Convert to fraction form
206,591.10/309,230.55 = 190,844.70/x - Step 3: Cross multiply
206,591.10x = 309,230.55 × 190,844.70 - Step 4: Simplify right side
206,591.10x = 59,015,011,545.59 - Step 5: Solve for x
x = 59,015,011,545.59/206,591.10 - Step 6: Final answer
x = 285,660.96
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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.