Finding the Fourth Proportional to 135,091.14, 202,640.81 and 46,343.36
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Solution
The fourth proportional to 135,091.14, 202,640.81 and 46,343.36 is: 69,516.45
Step by Step Solution
- Step 1: Write the proportion equation
135,091.14 : 202,640.81 = 46,343.36 : x - Step 2: Convert to fraction form
135,091.14/202,640.81 = 46,343.36/x - Step 3: Cross multiply
135,091.14x = 202,640.81 × 46,343.36 - Step 4: Simplify right side
135,091.14x = 9,391,056,008.52 - Step 5: Solve for x
x = 9,391,056,008.52/135,091.14 - Step 6: Final answer
x = 69,516.45
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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.