Finding the Fourth Proportional to 198,862.19, 298,228.46 and 65,717.63
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Solution
The fourth proportional to 198,862.19, 298,228.46 and 65,717.63 is: 98,555.02
Step by Step Solution
- Step 1: Write the proportion equation
198,862.19 : 298,228.46 = 65,717.63 : x - Step 2: Convert to fraction form
198,862.19/298,228.46 = 65,717.63/x - Step 3: Cross multiply
198,862.19x = 298,228.46 × 65,717.63 - Step 4: Simplify right side
198,862.19x = 19,598,865,770.02 - Step 5: Solve for x
x = 19,598,865,770.02/198,862.19 - Step 6: Final answer
x = 98,555.02
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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.