Finding the Fourth Proportional to 205,816.25, 308,546.93 and 79,545.08
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Solution
The fourth proportional to 205,816.25, 308,546.93 and 79,545.08 is: 119,249.03
Step by Step Solution
- Step 1: Write the proportion equation
205,816.25 : 308,546.93 = 79,545.08 : x - Step 2: Convert to fraction form
205,816.25/308,546.93 = 79,545.08/x - Step 3: Cross multiply
205,816.25x = 308,546.93 × 79,545.08 - Step 4: Simplify right side
205,816.25x = 24,543,388,290.14 - Step 5: Solve for x
x = 24,543,388,290.14/205,816.25 - Step 6: Final answer
x = 119,249.03
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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.