Finding the Fourth Proportional to 134,910.43, 202,330.39 and 40,115.09
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Solution
The fourth proportional to 134,910.43, 202,330.39 and 40,115.09 is: 60,162.15
Step by Step Solution
- Step 1: Write the proportion equation
134,910.43 : 202,330.39 = 40,115.09 : x - Step 2: Convert to fraction form
134,910.43/202,330.39 = 40,115.09/x - Step 3: Cross multiply
134,910.43x = 202,330.39 × 40,115.09 - Step 4: Simplify right side
134,910.43x = 8,116,501,804.59 - Step 5: Solve for x
x = 8,116,501,804.59/134,910.43 - Step 6: Final answer
x = 60,162.15
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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.