Finding the Fourth Proportional to 208,273.09, 312,399.26 and 73,343.82
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Solution
The fourth proportional to 208,273.09, 312,399.26 and 73,343.82 is: 110,012.07
Step by Step Solution
- Step 1: Write the proportion equation
208,273.09 : 312,399.26 = 73,343.82 : x - Step 2: Convert to fraction form
208,273.09/312,399.26 = 73,343.82/x - Step 3: Cross multiply
208,273.09x = 312,399.26 × 73,343.82 - Step 4: Simplify right side
208,273.09x = 22,912,554,429.52 - Step 5: Solve for x
x = 22,912,554,429.52/208,273.09 - Step 6: Final answer
x = 110,012.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.