Finding the Fourth Proportional to 121,998.26, 182,992.01 and 33,251.76
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Solution
The fourth proportional to 121,998.26, 182,992.01 and 33,251.76 is: 49,876.17
Step by Step Solution
- Step 1: Write the proportion equation
121,998.26 : 182,992.01 = 33,251.76 : x - Step 2: Convert to fraction form
121,998.26/182,992.01 = 33,251.76/x - Step 3: Cross multiply
121,998.26x = 182,992.01 × 33,251.76 - Step 4: Simplify right side
121,998.26x = 6,084,806,232.18 - Step 5: Solve for x
x = 6,084,806,232.18/121,998.26 - Step 6: Final answer
x = 49,876.17
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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.