Finding the Fourth Proportional to 405,524.44, 559,399.26 and 235,739.80
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Solution
The fourth proportional to 405,524.44, 559,399.26 and 235,739.80 is: 325,190.44
Step by Step Solution
- Step 1: Write the proportion equation
405,524.44 : 559,399.26 = 235,739.80 : x - Step 2: Convert to fraction form
405,524.44/559,399.26 = 235,739.80/x - Step 3: Cross multiply
405,524.44x = 559,399.26 × 235,739.80 - Step 4: Simplify right side
405,524.44x = 131,872,669,672.55 - Step 5: Solve for x
x = 131,872,669,672.55/405,524.44 - Step 6: Final answer
x = 325,190.44
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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.