Finding the Fourth Proportional to 460,197.21, 635,268.12 and 309,381.69
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Solution
The fourth proportional to 460,197.21, 635,268.12 and 309,381.69 is: 427,078.48
Step by Step Solution
- Step 1: Write the proportion equation
460,197.21 : 635,268.12 = 309,381.69 : x - Step 2: Convert to fraction form
460,197.21/635,268.12 = 309,381.69/x - Step 3: Cross multiply
460,197.21x = 635,268.12 × 309,381.69 - Step 4: Simplify right side
460,197.21x = 196,540,324,568.72 - Step 5: Solve for x
x = 196,540,324,568.72/460,197.21 - Step 6: Final answer
x = 427,078.48
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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.