Finding the Fourth Proportional to 102,485.67, 153,716.93 and 27,611.31
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Solution
The fourth proportional to 102,485.67, 153,716.93 and 27,611.31 is: 41,413.85
Step by Step Solution
- Step 1: Write the proportion equation
102,485.67 : 153,716.93 = 27,611.31 : x - Step 2: Convert to fraction form
102,485.67/153,716.93 = 27,611.31/x - Step 3: Cross multiply
102,485.67x = 153,716.93 × 27,611.31 - Step 4: Simplify right side
102,485.67x = 4,244,325,668.42 - Step 5: Solve for x
x = 4,244,325,668.42/102,485.67 - Step 6: Final answer
x = 41,413.85
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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.