Finding the Fourth Proportional to 215,120.16, 296,861.76 and 119,626.02
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Solution
The fourth proportional to 215,120.16, 296,861.76 and 119,626.02 is: 165,081.65
Step by Step Solution
- Step 1: Write the proportion equation
215,120.16 : 296,861.76 = 119,626.02 : x - Step 2: Convert to fraction form
215,120.16/296,861.76 = 119,626.02/x - Step 3: Cross multiply
215,120.16x = 296,861.76 × 119,626.02 - Step 4: Simplify right side
215,120.16x = 35,512,390,839.00 - Step 5: Solve for x
x = 35,512,390,839.00/215,120.16 - Step 6: Final answer
x = 165,081.65
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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.