Finding the Fourth Proportional to 132,282.96, 198,217.08 and 112,480.08
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Solution
The fourth proportional to 132,282.96, 198,217.08 and 112,480.08 is: 168,543.80
Step by Step Solution
- Step 1: Write the proportion equation
132,282.96 : 198,217.08 = 112,480.08 : x - Step 2: Convert to fraction form
132,282.96/198,217.08 = 112,480.08/x - Step 3: Cross multiply
132,282.96x = 198,217.08 × 112,480.08 - Step 4: Simplify right side
132,282.96x = 22,295,473,015.77 - Step 5: Solve for x
x = 22,295,473,015.77/132,282.96 - Step 6: Final answer
x = 168,543.80
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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.