Finding the Fourth Proportional to 371,902.04, 513,227.94 and 202,136.12
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Solution
The fourth proportional to 371,902.04, 513,227.94 and 202,136.12 is: 278,949.54
Step by Step Solution
- Step 1: Write the proportion equation
371,902.04 : 513,227.94 = 202,136.12 : x - Step 2: Convert to fraction form
371,902.04/513,227.94 = 202,136.12/x - Step 3: Cross multiply
371,902.04x = 513,227.94 × 202,136.12 - Step 4: Simplify right side
371,902.04x = 103,741,904,467.19 - Step 5: Solve for x
x = 103,741,904,467.19/371,902.04 - Step 6: Final answer
x = 278,949.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.