Finding the Fourth Proportional to 235,907.78, 325,566.36 and 177,660.23
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Solution
The fourth proportional to 235,907.78, 325,566.36 and 177,660.23 is: 245,181.37
Step by Step Solution
- Step 1: Write the proportion equation
235,907.78 : 325,566.36 = 177,660.23 : x - Step 2: Convert to fraction form
235,907.78/325,566.36 = 177,660.23/x - Step 3: Cross multiply
235,907.78x = 325,566.36 × 177,660.23 - Step 4: Simplify right side
235,907.78x = 57,840,192,770.03 - Step 5: Solve for x
x = 57,840,192,770.03/235,907.78 - Step 6: Final answer
x = 245,181.37
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1.5x scale
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.