Finding the Fourth Proportional to 370,858.60, 511,782.02 and 201,092.20
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Solution
The fourth proportional to 370,858.60, 511,782.02 and 201,092.20 is: 277,505.69
Step by Step Solution
- Step 1: Write the proportion equation
370,858.60 : 511,782.02 = 201,092.20 : x - Step 2: Convert to fraction form
370,858.60/511,782.02 = 201,092.20/x - Step 3: Cross multiply
370,858.60x = 511,782.02 × 201,092.20 - Step 4: Simplify right side
370,858.60x = 102,915,372,322.24 - Step 5: Solve for x
x = 102,915,372,322.24/370,858.60 - Step 6: Final answer
x = 277,505.69
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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.