Finding the Fourth Proportional to 263,562.09, 363,715.14 and 142,703.49
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Solution
The fourth proportional to 263,562.09, 363,715.14 and 142,703.49 is: 196,930.52
Step by Step Solution
- Step 1: Write the proportion equation
263,562.09 : 363,715.14 = 142,703.49 : x - Step 2: Convert to fraction form
263,562.09/363,715.14 = 142,703.49/x - Step 3: Cross multiply
263,562.09x = 363,715.14 × 142,703.49 - Step 4: Simplify right side
263,562.09x = 51,903,419,843.84 - Step 5: Solve for x
x = 51,903,419,843.84/263,562.09 - Step 6: Final answer
x = 196,930.52
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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.