Finding the Fourth Proportional to 397,114.24, 548,097.36 and 235,938.26
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Solution
The fourth proportional to 397,114.24, 548,097.36 and 235,938.26 is: 325,642.16
Step by Step Solution
- Step 1: Write the proportion equation
397,114.24 : 548,097.36 = 235,938.26 : x - Step 2: Convert to fraction form
397,114.24/548,097.36 = 235,938.26/x - Step 3: Cross multiply
397,114.24x = 548,097.36 × 235,938.26 - Step 4: Simplify right side
397,114.24x = 129,317,136,249.30 - Step 5: Solve for x
x = 129,317,136,249.30/397,114.24 - Step 6: Final answer
x = 325,642.16
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1.5x scale
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.