Finding the Fourth Proportional to 407,129.58, 561,793.50 and 225,796.08
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Solution
The fourth proportional to 407,129.58, 561,793.50 and 225,796.08 is: 311,573.46
Step by Step Solution
- Step 1: Write the proportion equation
407,129.58 : 561,793.50 = 225,796.08 : x - Step 2: Convert to fraction form
407,129.58/561,793.50 = 225,796.08/x - Step 3: Cross multiply
407,129.58x = 561,793.50 × 225,796.08 - Step 4: Simplify right side
407,129.58x = 126,850,770,069.48 - Step 5: Solve for x
x = 126,850,770,069.48/407,129.58 - Step 6: Final answer
x = 311,573.46
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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.