Finding the Fourth Proportional to 198,243.08, 273,575.76 and 107,599.08
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Solution
The fourth proportional to 198,243.08, 273,575.76 and 107,599.08 is: 148,486.90
Step by Step Solution
- Step 1: Write the proportion equation
198,243.08 : 273,575.76 = 107,599.08 : x - Step 2: Convert to fraction form
198,243.08/273,575.76 = 107,599.08/x - Step 3: Cross multiply
198,243.08x = 273,575.76 × 107,599.08 - Step 4: Simplify right side
198,243.08x = 29,436,500,086.30 - Step 5: Solve for x
x = 29,436,500,086.30/198,243.08 - Step 6: Final answer
x = 148,486.90
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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.