Finding the Fourth Proportional to 399,895.18, 599,843.91 and 115,608.87
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Solution
The fourth proportional to 399,895.18, 599,843.91 and 115,608.87 is: 173,413.63
Step by Step Solution
- Step 1: Write the proportion equation
399,895.18 : 599,843.91 = 115,608.87 : x - Step 2: Convert to fraction form
399,895.18/599,843.91 = 115,608.87/x - Step 3: Cross multiply
399,895.18x = 599,843.91 × 115,608.87 - Step 4: Simplify right side
399,895.18x = 69,347,276,033.44 - Step 5: Solve for x
x = 69,347,276,033.44/399,895.18 - Step 6: Final answer
x = 173,413.63
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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.