Finding the Fourth Proportional to 263,202.36, 363,218.20 and 142,343.79
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Solution
The fourth proportional to 263,202.36, 363,218.20 and 142,343.79 is: 196,433.86
Step by Step Solution
- Step 1: Write the proportion equation
263,202.36 : 363,218.20 = 142,343.79 : x - Step 2: Convert to fraction form
263,202.36/363,218.20 = 142,343.79/x - Step 3: Cross multiply
263,202.36x = 363,218.20 × 142,343.79 - Step 4: Simplify right side
263,202.36x = 51,701,855,184.98 - Step 5: Solve for x
x = 51,701,855,184.98/263,202.36 - Step 6: Final answer
x = 196,433.86
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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.