Finding the Fourth Proportional to 121,413.09, 182,075.88 and 51,297.87
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Solution
The fourth proportional to 121,413.09, 182,075.88 and 51,297.87 is: 76,928.32
Step by Step Solution
- Step 1: Write the proportion equation
121,413.09 : 182,075.88 = 51,297.87 : x - Step 2: Convert to fraction form
121,413.09/182,075.88 = 51,297.87/x - Step 3: Cross multiply
121,413.09x = 182,075.88 × 51,297.87 - Step 4: Simplify right side
121,413.09x = 9,340,104,822.38 - Step 5: Solve for x
x = 9,340,104,822.38/121,413.09 - Step 6: Final answer
x = 76,928.32
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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.