Finding the Fourth Proportional to 183,486.15, 274,968.81 and 76,755.08
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Solution
The fourth proportional to 183,486.15, 274,968.81 and 76,755.08 is: 115,023.68
Step by Step Solution
- Step 1: Write the proportion equation
183,486.15 : 274,968.81 = 76,755.08 : x - Step 2: Convert to fraction form
183,486.15/274,968.81 = 76,755.08/x - Step 3: Cross multiply
183,486.15x = 274,968.81 × 76,755.08 - Step 4: Simplify right side
183,486.15x = 21,105,253,009.05 - Step 5: Solve for x
x = 21,105,253,009.05/183,486.15 - Step 6: Final answer
x = 115,023.68
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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.