Finding the Fourth Proportional to 371,825.63, 513,163.11 and 220,922.63
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Solution
The fourth proportional to 371,825.63, 513,163.11 and 220,922.63 is: 304,899.22
Step by Step Solution
- Step 1: Write the proportion equation
371,825.63 : 513,163.11 = 220,922.63 : x - Step 2: Convert to fraction form
371,825.63/513,163.11 = 220,922.63/x - Step 3: Cross multiply
371,825.63x = 513,163.11 × 220,922.63 - Step 4: Simplify right side
371,825.63x = 113,369,343,880.18 - Step 5: Solve for x
x = 113,369,343,880.18/371,825.63 - Step 6: Final answer
x = 304,899.22
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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.