Finding the Fourth Proportional to 486,228.42, 670,938.80 and 271,361.14
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Solution
The fourth proportional to 486,228.42, 670,938.80 and 271,361.14 is: 374,446.88
Step by Step Solution
- Step 1: Write the proportion equation
486,228.42 : 670,938.80 = 271,361.14 : x - Step 2: Convert to fraction form
486,228.42/670,938.80 = 271,361.14/x - Step 3: Cross multiply
486,228.42x = 670,938.80 × 271,361.14 - Step 4: Simplify right side
486,228.42x = 182,066,714,604.08 - Step 5: Solve for x
x = 182,066,714,604.08/486,228.42 - Step 6: Final answer
x = 374,446.88
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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.