Finding the Fourth Proportional to 198,246.12, 273,573.54 and 107,597.80
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Solution
The fourth proportional to 198,246.12, 273,573.54 and 107,597.80 is: 148,481.65
Step by Step Solution
- Step 1: Write the proportion equation
198,246.12 : 273,573.54 = 107,597.80 : x - Step 2: Convert to fraction form
198,246.12/273,573.54 = 107,597.80/x - Step 3: Cross multiply
198,246.12x = 273,573.54 × 107,597.80 - Step 4: Simplify right side
198,246.12x = 29,435,911,042.21 - Step 5: Solve for x
x = 29,435,911,042.21/198,246.12 - Step 6: Final answer
x = 148,481.65
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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.