Finding the Fourth Proportional to 407,728.86, 562,646.67 and 226,452.48
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Solution
The fourth proportional to 407,728.86, 562,646.67 and 226,452.48 is: 312,493.78
Step by Step Solution
- Step 1: Write the proportion equation
407,728.86 : 562,646.67 = 226,452.48 : x - Step 2: Convert to fraction form
407,728.86/562,646.67 = 226,452.48/x - Step 3: Cross multiply
407,728.86x = 562,646.67 × 226,452.48 - Step 4: Simplify right side
407,728.86x = 127,412,733,785.24 - Step 5: Solve for x
x = 127,412,733,785.24/407,728.86 - Step 6: Final answer
x = 312,493.78
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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.