Finding the Fourth Proportional to 122,516.11, 183,786.87 and 33,769.63
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Solution
The fourth proportional to 122,516.11, 183,786.87 and 33,769.63 is: 50,657.95
Step by Step Solution
- Step 1: Write the proportion equation
122,516.11 : 183,786.87 = 33,769.63 : x - Step 2: Convert to fraction form
122,516.11/183,786.87 = 33,769.63/x - Step 3: Cross multiply
122,516.11x = 183,786.87 × 33,769.63 - Step 4: Simplify right side
122,516.11x = 6,206,414,598.76 - Step 5: Solve for x
x = 6,206,414,598.76/122,516.11 - Step 6: Final answer
x = 50,657.95
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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.