Finding the Fourth Proportional to 220,996.53, 331,593.12 and 115,790.88
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Solution
The fourth proportional to 220,996.53, 331,593.12 and 115,790.88 is: 173,737.84
Step by Step Solution
- Step 1: Write the proportion equation
220,996.53 : 331,593.12 = 115,790.88 : x - Step 2: Convert to fraction form
220,996.53/331,593.12 = 115,790.88/x - Step 3: Cross multiply
220,996.53x = 331,593.12 × 115,790.88 - Step 4: Simplify right side
220,996.53x = 38,395,459,166.75 - Step 5: Solve for x
x = 38,395,459,166.75/220,996.53 - Step 6: Final answer
x = 173,737.84
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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.