Finding the Fourth Proportional to 758,167.44, 1,137,906.18 and 309,135.84
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Solution
The fourth proportional to 758,167.44, 1,137,906.18 and 309,135.84 is: 463,970.84
Step by Step Solution
- Step 1: Write the proportion equation
758,167.44 : 1,137,906.18 = 309,135.84 : x - Step 2: Convert to fraction form
758,167.44/1,137,906.18 = 309,135.84/x - Step 3: Cross multiply
758,167.44x = 1,137,906.18 × 309,135.84 - Step 4: Simplify right side
758,167.44x = 351,767,582,795.49 - Step 5: Solve for x
x = 351,767,582,795.49/758,167.44 - Step 6: Final answer
x = 463,970.84
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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.