Finding the Fourth Proportional to 427,330.26, 641,090.16 and 161,093.07
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Solution
The fourth proportional to 427,330.26, 641,090.16 and 161,093.07 is: 241,675.33
Step by Step Solution
- Step 1: Write the proportion equation
427,330.26 : 641,090.16 = 161,093.07 : x - Step 2: Convert to fraction form
427,330.26/641,090.16 = 161,093.07/x - Step 3: Cross multiply
427,330.26x = 641,090.16 × 161,093.07 - Step 4: Simplify right side
427,330.26x = 103,275,182,021.19 - Step 5: Solve for x
x = 103,275,182,021.19/427,330.26 - Step 6: Final answer
x = 241,675.33
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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.