Finding the Fourth Proportional to 477,139.13, 658,453.37 and 273,193.19
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Solution
The fourth proportional to 477,139.13, 658,453.37 and 273,193.19 is: 377,007.38
Step by Step Solution
- Step 1: Write the proportion equation
477,139.13 : 658,453.37 = 273,193.19 : x - Step 2: Convert to fraction form
477,139.13/658,453.37 = 273,193.19/x - Step 3: Cross multiply
477,139.13x = 658,453.37 × 273,193.19 - Step 4: Simplify right side
477,139.13x = 179,884,971,958.32 - Step 5: Solve for x
x = 179,884,971,958.32/477,139.13 - Step 6: Final answer
x = 377,007.38
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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.