Finding the Fourth Proportional to 382,842.40, 574,004.40 and 202,957.60
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Solution
The fourth proportional to 382,842.40, 574,004.40 and 202,957.60 is: 304,298.99
Step by Step Solution
- Step 1: Write the proportion equation
382,842.40 : 574,004.40 = 202,957.60 : x - Step 2: Convert to fraction form
382,842.40/574,004.40 = 202,957.60/x - Step 3: Cross multiply
382,842.40x = 574,004.40 × 202,957.60 - Step 4: Simplify right side
382,842.40x = 116,498,555,413.44 - Step 5: Solve for x
x = 116,498,555,413.44/382,842.40 - Step 6: Final answer
x = 304,298.99
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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.