Finding the Fourth Proportional to 215,695.28, 323,543.72 and 65,934.99
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Solution
The fourth proportional to 215,695.28, 323,543.72 and 65,934.99 is: 98,902.73
Step by Step Solution
- Step 1: Write the proportion equation
215,695.28 : 323,543.72 = 65,934.99 : x - Step 2: Convert to fraction form
215,695.28/323,543.72 = 65,934.99/x - Step 3: Cross multiply
215,695.28x = 323,543.72 × 65,934.99 - Step 4: Simplify right side
215,695.28x = 21,332,851,942.76 - Step 5: Solve for x
x = 21,332,851,942.76/215,695.28 - Step 6: Final answer
x = 98,902.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.