Finding the Fourth Proportional to 132,205.19, 198,307.44 and 47,965.19
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Solution
The fourth proportional to 132,205.19, 198,307.44 and 47,965.19 is: 71,947.66
Step by Step Solution
- Step 1: Write the proportion equation
132,205.19 : 198,307.44 = 47,965.19 : x - Step 2: Convert to fraction form
132,205.19/198,307.44 = 47,965.19/x - Step 3: Cross multiply
132,205.19x = 198,307.44 × 47,965.19 - Step 4: Simplify right side
132,205.19x = 9,511,853,046.48 - Step 5: Solve for x
x = 9,511,853,046.48/132,205.19 - Step 6: Final answer
x = 71,947.66
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1.5x scale
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.