Finding the Fourth Proportional to 311,512.40, 466,577.40 and 124,427.60
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Solution
The fourth proportional to 311,512.40, 466,577.40 and 124,427.60 is: 186,365.31
Step by Step Solution
- Step 1: Write the proportion equation
311,512.40 : 466,577.40 = 124,427.60 : x - Step 2: Convert to fraction form
311,512.40/466,577.40 = 124,427.60/x - Step 3: Cross multiply
311,512.40x = 466,577.40 × 124,427.60 - Step 4: Simplify right side
311,512.40x = 58,055,106,096.24 - Step 5: Solve for x
x = 58,055,106,096.24/311,512.40 - Step 6: Final answer
x = 186,365.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.