Finding the Fourth Proportional to 301,080.58, 415,608.09 and 225,847.94
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Solution
The fourth proportional to 301,080.58, 415,608.09 and 225,847.94 is: 311,757.84
Step by Step Solution
- Step 1: Write the proportion equation
301,080.58 : 415,608.09 = 225,847.94 : x - Step 2: Convert to fraction form
301,080.58/415,608.09 = 225,847.94/x - Step 3: Cross multiply
301,080.58x = 415,608.09 × 225,847.94 - Step 4: Simplify right side
301,080.58x = 93,864,230,973.83 - Step 5: Solve for x
x = 93,864,230,973.83/301,080.58 - Step 6: Final answer
x = 311,757.84
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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.