Finding the Fourth Proportional to 198,219.63, 273,545.10 and 107,576.39
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Solution
The fourth proportional to 198,219.63, 273,545.10 and 107,576.39 is: 148,456.50
Step by Step Solution
- Step 1: Write the proportion equation
198,219.63 : 273,545.10 = 107,576.39 : x - Step 2: Convert to fraction form
198,219.63/273,545.10 = 107,576.39/x - Step 3: Cross multiply
198,219.63x = 273,545.10 × 107,576.39 - Step 4: Simplify right side
198,219.63x = 29,426,992,992.46 - Step 5: Solve for x
x = 29,426,992,992.46/198,219.63 - Step 6: Final answer
x = 148,456.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.