Finding the Fourth Proportional to 198,956.68, 274,560.18 and 109,532.68
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Solution
The fourth proportional to 198,956.68, 274,560.18 and 109,532.68 is: 151,155.08
Step by Step Solution
- Step 1: Write the proportion equation
198,956.68 : 274,560.18 = 109,532.68 : x - Step 2: Convert to fraction form
198,956.68/274,560.18 = 109,532.68/x - Step 3: Cross multiply
198,956.68x = 274,560.18 × 109,532.68 - Step 4: Simplify right side
198,956.68x = 30,073,312,336.68 - Step 5: Solve for x
x = 30,073,312,336.68/198,956.68 - Step 6: Final answer
x = 151,155.08
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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.