Finding the Fourth Proportional to 807,998.69, 1,211,995.91 and 239,424.26
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Solution
The fourth proportional to 807,998.69, 1,211,995.91 and 239,424.26 is: 359,135.75
Step by Step Solution
- Step 1: Write the proportion equation
807,998.69 : 1,211,995.91 = 239,424.26 : x - Step 2: Convert to fraction form
807,998.69/1,211,995.91 = 239,424.26/x - Step 3: Cross multiply
807,998.69x = 1,211,995.91 × 239,424.26 - Step 4: Simplify right side
807,998.69x = 290,181,218,413.36 - Step 5: Solve for x
x = 290,181,218,413.36/807,998.69 - Step 6: Final answer
x = 359,135.75
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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.