Finding the Fourth Proportional to 299,578.24, 449,413.44 and 112,602.88
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Solution
The fourth proportional to 299,578.24, 449,413.44 and 112,602.88 is: 168,921.64
Step by Step Solution
- Step 1: Write the proportion equation
299,578.24 : 449,413.44 = 112,602.88 : x - Step 2: Convert to fraction form
299,578.24/449,413.44 = 112,602.88/x - Step 3: Cross multiply
299,578.24x = 449,413.44 × 112,602.88 - Step 4: Simplify right side
299,578.24x = 50,605,247,654.71 - Step 5: Solve for x
x = 50,605,247,654.71/299,578.24 - Step 6: Final answer
x = 168,921.64
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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.