Finding the Fourth Proportional to 198,214.19, 273,549.05 and 112,173.05
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Solution
The fourth proportional to 198,214.19, 273,549.05 and 112,173.05 is: 154,806.43
Step by Step Solution
- Step 1: Write the proportion equation
198,214.19 : 273,549.05 = 112,173.05 : x - Step 2: Convert to fraction form
198,214.19/273,549.05 = 112,173.05/x - Step 3: Cross multiply
198,214.19x = 273,549.05 × 112,173.05 - Step 4: Simplify right side
198,214.19x = 30,684,831,806.76 - Step 5: Solve for x
x = 30,684,831,806.76/198,214.19 - Step 6: Final answer
x = 154,806.43
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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.