Finding the Fourth Proportional to 201,826.09, 278,516.50 and 116,951.05
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Solution
The fourth proportional to 201,826.09, 278,516.50 and 116,951.05 is: 161,390.42
Step by Step Solution
- Step 1: Write the proportion equation
201,826.09 : 278,516.50 = 116,951.05 : x - Step 2: Convert to fraction form
201,826.09/278,516.50 = 116,951.05/x - Step 3: Cross multiply
201,826.09x = 278,516.50 × 116,951.05 - Step 4: Simplify right side
201,826.09x = 32,572,797,117.33 - Step 5: Solve for x
x = 32,572,797,117.33/201,826.09 - Step 6: Final answer
x = 161,390.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.