Finding the Fourth Proportional to 201,608.90, 302,413.35 and 68,639.30
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Solution
The fourth proportional to 201,608.90, 302,413.35 and 68,639.30 is: 102,958.95
Step by Step Solution
- Step 1: Write the proportion equation
201,608.90 : 302,413.35 = 68,639.30 : x - Step 2: Convert to fraction form
201,608.90/302,413.35 = 68,639.30/x - Step 3: Cross multiply
201,608.90x = 302,413.35 × 68,639.30 - Step 4: Simplify right side
201,608.90x = 20,757,440,654.66 - Step 5: Solve for x
x = 20,757,440,654.66/201,608.90 - Step 6: Final answer
x = 102,958.95
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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.