Finding the Fourth Proportional to 207,609.08, 311,413.82 and 57,849.80
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Solution
The fourth proportional to 207,609.08, 311,413.82 and 57,849.80 is: 86,774.75
Step by Step Solution
- Step 1: Write the proportion equation
207,609.08 : 311,413.82 = 57,849.80 : x - Step 2: Convert to fraction form
207,609.08/311,413.82 = 57,849.80/x - Step 3: Cross multiply
207,609.08x = 311,413.82 × 57,849.80 - Step 4: Simplify right side
207,609.08x = 18,015,225,357.92 - Step 5: Solve for x
x = 18,015,225,357.92/207,609.08 - Step 6: Final answer
x = 86,774.75
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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.