Finding the Fourth Proportional to 486,107.40, 729,161.10 and 336,516.60
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Solution
The fourth proportional to 486,107.40, 729,161.10 and 336,516.60 is: 504,774.90
Step by Step Solution
- Step 1: Write the proportion equation
486,107.40 : 729,161.10 = 336,516.60 : x - Step 2: Convert to fraction form
486,107.40/729,161.10 = 336,516.60/x - Step 3: Cross multiply
486,107.40x = 729,161.10 × 336,516.60 - Step 4: Simplify right side
486,107.40x = 245,374,814,224.26 - Step 5: Solve for x
x = 245,374,814,224.26/486,107.40 - Step 6: Final answer
x = 504,774.90
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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.