Finding the Fourth Proportional to 198,426.68, 273,800.08 and 113,527.88
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Solution
The fourth proportional to 198,426.68, 273,800.08 and 113,527.88 is: 156,652.03
Step by Step Solution
- Step 1: Write the proportion equation
198,426.68 : 273,800.08 = 113,527.88 : x - Step 2: Convert to fraction form
198,426.68/273,800.08 = 113,527.88/x - Step 3: Cross multiply
198,426.68x = 273,800.08 × 113,527.88 - Step 4: Simplify right side
198,426.68x = 31,083,942,626.23 - Step 5: Solve for x
x = 31,083,942,626.23/198,426.68 - Step 6: Final answer
x = 156,652.03
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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.