Finding the Fourth Proportional to 202,245.14, 279,087.38 and 111,583.34
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Solution
The fourth proportional to 202,245.14, 279,087.38 and 111,583.34 is: 153,978.99
Step by Step Solution
- Step 1: Write the proportion equation
202,245.14 : 279,087.38 = 111,583.34 : x - Step 2: Convert to fraction form
202,245.14/279,087.38 = 111,583.34/x - Step 3: Cross multiply
202,245.14x = 279,087.38 × 111,583.34 - Step 4: Simplify right side
202,245.14x = 31,141,502,012.25 - Step 5: Solve for x
x = 31,141,502,012.25/202,245.14 - Step 6: Final answer
x = 153,978.99
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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.