Finding the Fourth Proportional to 318,119.26, 477,166.42 and 107,757.19
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Solution
The fourth proportional to 318,119.26, 477,166.42 and 107,757.19 is: 161,631.56
Step by Step Solution
- Step 1: Write the proportion equation
318,119.26 : 477,166.42 = 107,757.19 : x - Step 2: Convert to fraction form
318,119.26/477,166.42 = 107,757.19/x - Step 3: Cross multiply
318,119.26x = 477,166.42 × 107,757.19 - Step 4: Simplify right side
318,119.26x = 51,418,112,581.56 - Step 5: Solve for x
x = 51,418,112,581.56/318,119.26 - Step 6: Final answer
x = 161,631.56
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1.5x scale
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.