Finding the Fourth Proportional to 198,596.68, 274,065.98 and 107,953.96
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Solution
The fourth proportional to 198,596.68, 274,065.98 and 107,953.96 is: 148,977.86
Step by Step Solution
- Step 1: Write the proportion equation
198,596.68 : 274,065.98 = 107,953.96 : x - Step 2: Convert to fraction form
198,596.68/274,065.98 = 107,953.96/x - Step 3: Cross multiply
198,596.68x = 274,065.98 × 107,953.96 - Step 4: Simplify right side
198,596.68x = 29,586,507,842.28 - Step 5: Solve for x
x = 29,586,507,842.28/198,596.68 - Step 6: Final answer
x = 148,977.86
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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.