Finding the Fourth Proportional to 477,975.63, 659,614.68 and 274,059.75
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Solution
The fourth proportional to 477,975.63, 659,614.68 and 274,059.75 is: 378,207.22
Step by Step Solution
- Step 1: Write the proportion equation
477,975.63 : 659,614.68 = 274,059.75 : x - Step 2: Convert to fraction form
477,975.63/659,614.68 = 274,059.75/x - Step 3: Cross multiply
477,975.63x = 659,614.68 × 274,059.75 - Step 4: Simplify right side
477,975.63x = 180,773,834,297.13 - Step 5: Solve for x
x = 180,773,834,297.13/477,975.63 - Step 6: Final answer
x = 378,207.22
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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.