Finding the Fourth Proportional to 675,413.80, 1,012,991.10 and 202,114.60
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Solution
The fourth proportional to 675,413.80, 1,012,991.10 and 202,114.60 is: 303,133.12
Step by Step Solution
- Step 1: Write the proportion equation
675,413.80 : 1,012,991.10 = 202,114.60 : x - Step 2: Convert to fraction form
675,413.80/1,012,991.10 = 202,114.60/x - Step 3: Cross multiply
675,413.80x = 1,012,991.10 × 202,114.60 - Step 4: Simplify right side
675,413.80x = 204,740,290,980.06 - Step 5: Solve for x
x = 204,740,290,980.06/675,413.80 - Step 6: Final answer
x = 303,133.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.