Finding the Fourth Proportional to 198,214.91, 273,527.83 and 113,337.53
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Solution
The fourth proportional to 198,214.91, 273,527.83 and 113,337.53 is: 156,400.79
Step by Step Solution
- Step 1: Write the proportion equation
198,214.91 : 273,527.83 = 113,337.53 : x - Step 2: Convert to fraction form
198,214.91/273,527.83 = 113,337.53/x - Step 3: Cross multiply
198,214.91x = 273,527.83 × 113,337.53 - Step 4: Simplify right side
198,214.91x = 31,000,968,638.46 - Step 5: Solve for x
x = 31,000,968,638.46/198,214.91 - Step 6: Final answer
x = 156,400.79
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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.