Finding the Fourth Proportional to 151,840.70, 227,755.65 and 68,734.70
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Solution
The fourth proportional to 151,840.70, 227,755.65 and 68,734.70 is: 103,099.61
Step by Step Solution
- Step 1: Write the proportion equation
151,840.70 : 227,755.65 = 68,734.70 : x - Step 2: Convert to fraction form
151,840.70/227,755.65 = 68,734.70/x - Step 3: Cross multiply
151,840.70x = 227,755.65 × 68,734.70 - Step 4: Simplify right side
151,840.70x = 15,654,716,276.06 - Step 5: Solve for x
x = 15,654,716,276.06/151,840.70 - Step 6: Final answer
x = 103,099.61
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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.