Finding the Fourth Proportional to 192,248.80, 288,286.80 and 73,880.80
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Solution
The fourth proportional to 192,248.80, 288,286.80 and 73,880.80 is: 110,788.00
Step by Step Solution
- Step 1: Write the proportion equation
192,248.80 : 288,286.80 = 73,880.80 : x - Step 2: Convert to fraction form
192,248.80/288,286.80 = 73,880.80/x - Step 3: Cross multiply
192,248.80x = 288,286.80 × 73,880.80 - Step 4: Simplify right side
192,248.80x = 21,298,859,413.44 - Step 5: Solve for x
x = 21,298,859,413.44/192,248.80 - Step 6: Final answer
x = 110,788.00
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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.