Finding the Fourth Proportional to 198,470.95, 273,888.75 and 107,826.19
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Solution
The fourth proportional to 198,470.95, 273,888.75 and 107,826.19 is: 148,799.51
Step by Step Solution
- Step 1: Write the proportion equation
198,470.95 : 273,888.75 = 107,826.19 : x - Step 2: Convert to fraction form
198,470.95/273,888.75 = 107,826.19/x - Step 3: Cross multiply
198,470.95x = 273,888.75 × 107,826.19 - Step 4: Simplify right side
198,470.95x = 29,532,380,396.36 - Step 5: Solve for x
x = 29,532,380,396.36/198,470.95 - Step 6: Final answer
x = 148,799.51
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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.