Finding the Fourth Proportional to 856,614.48, 1,284,805.08 and 225,475.44
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Solution
The fourth proportional to 856,614.48, 1,284,805.08 and 225,475.44 is: 338,182.46
Step by Step Solution
- Step 1: Write the proportion equation
856,614.48 : 1,284,805.08 = 225,475.44 : x - Step 2: Convert to fraction form
856,614.48/1,284,805.08 = 225,475.44/x - Step 3: Cross multiply
856,614.48x = 1,284,805.08 × 225,475.44 - Step 4: Simplify right side
856,614.48x = 289,691,990,727.24 - Step 5: Solve for x
x = 289,691,990,727.24/856,614.48 - Step 6: Final answer
x = 338,182.46
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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.