Finding the Fourth Proportional to 198,890.24, 298,305.72 and 65,771.19
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Solution
The fourth proportional to 198,890.24, 298,305.72 and 65,771.19 is: 98,646.99
Step by Step Solution
- Step 1: Write the proportion equation
198,890.24 : 298,305.72 = 65,771.19 : x - Step 2: Convert to fraction form
198,890.24/298,305.72 = 65,771.19/x - Step 3: Cross multiply
198,890.24x = 298,305.72 × 65,771.19 - Step 4: Simplify right side
198,890.24x = 19,619,922,188.21 - Step 5: Solve for x
x = 19,619,922,188.21/198,890.24 - Step 6: Final answer
x = 98,646.99
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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.