Finding the Fourth Proportional to 848,136.96, 1,170,413.96 and 466,163.64
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Solution
The fourth proportional to 848,136.96, 1,170,413.96 and 466,163.64 is: 643,297.55
Step by Step Solution
- Step 1: Write the proportion equation
848,136.96 : 1,170,413.96 = 466,163.64 : x - Step 2: Convert to fraction form
848,136.96/1,170,413.96 = 466,163.64/x - Step 3: Cross multiply
848,136.96x = 1,170,413.96 × 466,163.64 - Step 4: Simplify right side
848,136.96x = 545,604,431,900.41 - Step 5: Solve for x
x = 545,604,431,900.41/848,136.96 - Step 6: Final answer
x = 643,297.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.