Finding the Fourth Proportional to 215,116.62, 296,861.16 and 119,621.26
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Solution
The fourth proportional to 215,116.62, 296,861.16 and 119,621.26 is: 165,077.46
Step by Step Solution
- Step 1: Write the proportion equation
215,116.62 : 296,861.16 = 119,621.26 : x - Step 2: Convert to fraction form
215,116.62/296,861.16 = 119,621.26/x - Step 3: Cross multiply
215,116.62x = 296,861.16 × 119,621.26 - Step 4: Simplify right side
215,116.62x = 35,510,906,004.26 - Step 5: Solve for x
x = 35,510,906,004.26/215,116.62 - Step 6: Final answer
x = 165,077.46
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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.