Finding the Fourth Proportional to 135,705.95, 203,504.22 and 40,906.79
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Solution
The fourth proportional to 135,705.95, 203,504.22 and 40,906.79 is: 61,343.69
Step by Step Solution
- Step 1: Write the proportion equation
135,705.95 : 203,504.22 = 40,906.79 : x - Step 2: Convert to fraction form
135,705.95/203,504.22 = 40,906.79/x - Step 3: Cross multiply
135,705.95x = 203,504.22 × 40,906.79 - Step 4: Simplify right side
135,705.95x = 8,324,703,374.13 - Step 5: Solve for x
x = 8,324,703,374.13/135,705.95 - Step 6: Final answer
x = 61,343.69
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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.