Finding the Fourth Proportional to 201,609.20, 302,413.80 and 141,474.80
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Solution
The fourth proportional to 201,609.20, 302,413.80 and 141,474.80 is: 212,212.20
Step by Step Solution
- Step 1: Write the proportion equation
201,609.20 : 302,413.80 = 141,474.80 : x - Step 2: Convert to fraction form
201,609.20/302,413.80 = 141,474.80/x - Step 3: Cross multiply
201,609.20x = 302,413.80 × 141,474.80 - Step 4: Simplify right side
201,609.20x = 42,783,931,872.24 - Step 5: Solve for x
x = 42,783,931,872.24/201,609.20 - Step 6: Final answer
x = 212,212.20
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1.5x scale
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.