Finding the Fourth Proportional to 407,046.84, 561,657.36 and 225,729.96
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Solution
The fourth proportional to 407,046.84, 561,657.36 and 225,729.96 is: 311,470.03
Step by Step Solution
- Step 1: Write the proportion equation
407,046.84 : 561,657.36 = 225,729.96 : x - Step 2: Convert to fraction form
407,046.84/561,657.36 = 225,729.96/x - Step 3: Cross multiply
407,046.84x = 561,657.36 × 225,729.96 - Step 4: Simplify right side
407,046.84x = 126,782,893,406.51 - Step 5: Solve for x
x = 126,782,893,406.51/407,046.84 - Step 6: Final answer
x = 311,470.03
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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.