Finding the Fourth Proportional to 758,163.58, 1,137,638.97 and 309,213.82
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Solution
The fourth proportional to 758,163.58, 1,137,638.97 and 309,213.82 is: 463,981.26
Step by Step Solution
- Step 1: Write the proportion equation
758,163.58 : 1,137,638.97 = 309,213.82 : x - Step 2: Convert to fraction form
758,163.58/1,137,638.97 = 309,213.82/x - Step 3: Cross multiply
758,163.58x = 1,137,638.97 × 309,213.82 - Step 4: Simplify right side
758,163.58x = 351,773,691,694.57 - Step 5: Solve for x
x = 351,773,691,694.57/758,163.58 - Step 6: Final answer
x = 463,981.26
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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.