Finding the Fourth Proportional to 306,382.92, 422,802.35 and 170,413.94
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Solution
The fourth proportional to 306,382.92, 422,802.35 and 170,413.94 is: 235,167.85
Step by Step Solution
- Step 1: Write the proportion equation
306,382.92 : 422,802.35 = 170,413.94 : x - Step 2: Convert to fraction form
306,382.92/422,802.35 = 170,413.94/x - Step 3: Cross multiply
306,382.92x = 422,802.35 × 170,413.94 - Step 4: Simplify right side
306,382.92x = 72,051,411,338.68 - Step 5: Solve for x
x = 72,051,411,338.68/306,382.92 - Step 6: Final answer
x = 235,167.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.