Finding the Fourth Proportional to 363,258.78, 501,299.61 and 202,120.62
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Solution
The fourth proportional to 363,258.78, 501,299.61 and 202,120.62 is: 278,927.84
Step by Step Solution
- Step 1: Write the proportion equation
363,258.78 : 501,299.61 = 202,120.62 : x - Step 2: Convert to fraction form
363,258.78/501,299.61 = 202,120.62/x - Step 3: Cross multiply
363,258.78x = 501,299.61 × 202,120.62 - Step 4: Simplify right side
363,258.78x = 101,322,987,978.96 - Step 5: Solve for x
x = 101,322,987,978.96/363,258.78 - Step 6: Final answer
x = 278,927.84
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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.