Finding the Fourth Proportional to 128,736.45, 193,057.29 and 44,474.99
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Solution
The fourth proportional to 128,736.45, 193,057.29 and 44,474.99 is: 66,696.11
Step by Step Solution
- Step 1: Write the proportion equation
128,736.45 : 193,057.29 = 44,474.99 : x - Step 2: Convert to fraction form
128,736.45/193,057.29 = 44,474.99/x - Step 3: Cross multiply
128,736.45x = 193,057.29 × 44,474.99 - Step 4: Simplify right side
128,736.45x = 8,586,220,076.89 - Step 5: Solve for x
x = 8,586,220,076.89/128,736.45 - Step 6: Final answer
x = 66,696.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.