Finding the Fourth Proportional to 202,912.90, 304,369.35 and 199,413.70
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Solution
The fourth proportional to 202,912.90, 304,369.35 and 199,413.70 is: 299,120.55
Step by Step Solution
- Step 1: Write the proportion equation
202,912.90 : 304,369.35 = 199,413.70 : x - Step 2: Convert to fraction form
202,912.90/304,369.35 = 199,413.70/x - Step 3: Cross multiply
202,912.90x = 304,369.35 × 199,413.70 - Step 4: Simplify right side
202,912.90x = 60,695,418,250.10 - Step 5: Solve for x
x = 60,695,418,250.10/202,912.90 - Step 6: Final answer
x = 299,120.55
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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.