Finding the Fourth Proportional to 215,722.74, 323,613.27 and 202,600.74
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Solution
The fourth proportional to 215,722.74, 323,613.27 and 202,600.74 is: 303,928.50
Step by Step Solution
- Step 1: Write the proportion equation
215,722.74 : 323,613.27 = 202,600.74 : x - Step 2: Convert to fraction form
215,722.74/323,613.27 = 202,600.74/x - Step 3: Cross multiply
215,722.74x = 323,613.27 × 202,600.74 - Step 4: Simplify right side
215,722.74x = 65,564,287,975.82 - Step 5: Solve for x
x = 65,564,287,975.82/215,722.74 - Step 6: Final answer
x = 303,928.50
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1.5x scale
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.