Finding the Fourth Proportional to 405,174.96, 559,147.46 and 223,891.09
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Solution
The fourth proportional to 405,174.96, 559,147.46 and 223,891.09 is: 308,973.02
Step by Step Solution
- Step 1: Write the proportion equation
405,174.96 : 559,147.46 = 223,891.09 : x - Step 2: Convert to fraction form
405,174.96/559,147.46 = 223,891.09/x - Step 3: Cross multiply
405,174.96x = 559,147.46 × 223,891.09 - Step 4: Simplify right side
405,174.96x = 125,188,131,772.81 - Step 5: Solve for x
x = 125,188,131,772.81/405,174.96 - Step 6: Final answer
x = 308,973.02
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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.