Finding the Fourth Proportional to 407,029.97, 561,634.07 and 225,713.09
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Solution
The fourth proportional to 407,029.97, 561,634.07 and 225,713.09 is: 311,446.74
Step by Step Solution
- Step 1: Write the proportion equation
407,029.97 : 561,634.07 = 225,713.09 : x - Step 2: Convert to fraction form
407,029.97/561,634.07 = 225,713.09/x - Step 3: Cross multiply
407,029.97x = 561,634.07 × 225,713.09 - Step 4: Simplify right side
407,029.97x = 126,768,157,452.24 - Step 5: Solve for x
x = 126,768,157,452.24/407,029.97 - Step 6: Final answer
x = 311,446.74
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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.