Finding the Fourth Proportional to 371,806.26, 513,092.25 and 202,039.98
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Solution
The fourth proportional to 371,806.26, 513,092.25 and 202,039.98 is: 278,814.96
Step by Step Solution
- Step 1: Write the proportion equation
371,806.26 : 513,092.25 = 202,039.98 : x - Step 2: Convert to fraction form
371,806.26/513,092.25 = 202,039.98/x - Step 3: Cross multiply
371,806.26x = 513,092.25 × 202,039.98 - Step 4: Simplify right side
371,806.26x = 103,665,147,928.16 - Step 5: Solve for x
x = 103,665,147,928.16/371,806.26 - Step 6: Final answer
x = 278,814.96
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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.