Finding the Fourth Proportional to 198,497.88, 297,746.10 and 86,163.44
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Solution
The fourth proportional to 198,497.88, 297,746.10 and 86,163.44 is: 129,244.84
Step by Step Solution
- Step 1: Write the proportion equation
198,497.88 : 297,746.10 = 86,163.44 : x - Step 2: Convert to fraction form
198,497.88/297,746.10 = 86,163.44/x - Step 3: Cross multiply
198,497.88x = 297,746.10 × 86,163.44 - Step 4: Simplify right side
198,497.88x = 25,654,826,733.85 - Step 5: Solve for x
x = 25,654,826,733.85/198,497.88 - Step 6: Final answer
x = 129,244.84
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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.