Finding the Fourth Proportional to 198,456.92, 297,733.98 and 98,664.14
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Solution
The fourth proportional to 198,456.92, 297,733.98 and 98,664.14 is: 148,020.37
Step by Step Solution
- Step 1: Write the proportion equation
198,456.92 : 297,733.98 = 98,664.14 : x - Step 2: Convert to fraction form
198,456.92/297,733.98 = 98,664.14/x - Step 3: Cross multiply
198,456.92x = 297,733.98 × 98,664.14 - Step 4: Simplify right side
198,456.92x = 29,375,667,085.48 - Step 5: Solve for x
x = 29,375,667,085.48/198,456.92 - Step 6: Final answer
x = 148,020.37
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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.