Finding the Fourth Proportional to 149,213.96, 223,755.26 and 79,076.84
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Solution
The fourth proportional to 149,213.96, 223,755.26 and 79,076.84 is: 118,580.45
Step by Step Solution
- Step 1: Write the proportion equation
149,213.96 : 223,755.26 = 79,076.84 : x - Step 2: Convert to fraction form
149,213.96/223,755.26 = 79,076.84/x - Step 3: Cross multiply
149,213.96x = 223,755.26 × 79,076.84 - Step 4: Simplify right side
149,213.96x = 17,693,858,894.18 - Step 5: Solve for x
x = 17,693,858,894.18/149,213.96 - Step 6: Final answer
x = 118,580.45
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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.