Finding the Fourth Proportional to 263,141.73, 363,135.05 and 148,420.02
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Solution
The fourth proportional to 263,141.73, 363,135.05 and 148,420.02 is: 204,819.32
Step by Step Solution
- Step 1: Write the proportion equation
263,141.73 : 363,135.05 = 148,420.02 : x - Step 2: Convert to fraction form
263,141.73/363,135.05 = 148,420.02/x - Step 3: Cross multiply
263,141.73x = 363,135.05 × 148,420.02 - Step 4: Simplify right side
263,141.73x = 53,896,511,383.70 - Step 5: Solve for x
x = 53,896,511,383.70/263,141.73 - Step 6: Final answer
x = 204,819.32
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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.