Finding the Fourth Proportional to 198,795.09, 298,288.43 and 98,964.08
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Solution
The fourth proportional to 198,795.09, 298,288.43 and 98,964.08 is: 148,493.80
Step by Step Solution
- Step 1: Write the proportion equation
198,795.09 : 298,288.43 = 98,964.08 : x - Step 2: Convert to fraction form
198,795.09/298,288.43 = 98,964.08/x - Step 3: Cross multiply
198,795.09x = 298,288.43 × 98,964.08 - Step 4: Simplify right side
198,795.09x = 29,519,838,063.33 - Step 5: Solve for x
x = 29,519,838,063.33/198,795.09 - Step 6: Final answer
x = 148,493.80
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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.