Finding the Fourth Proportional to 255,723.63, 353,049.81 and 227,350.80
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Solution
The fourth proportional to 255,723.63, 353,049.81 and 227,350.80 is: 313,878.53
Step by Step Solution
- Step 1: Write the proportion equation
255,723.63 : 353,049.81 = 227,350.80 : x - Step 2: Convert to fraction form
255,723.63/353,049.81 = 227,350.80/x - Step 3: Cross multiply
255,723.63x = 353,049.81 × 227,350.80 - Step 4: Simplify right side
255,723.63x = 80,266,156,743.35 - Step 5: Solve for x
x = 80,266,156,743.35/255,723.63 - Step 6: Final answer
x = 313,878.53
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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.