Finding the Fourth Proportional to 361,128.87, 541,397.70 and 136,361.75
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Solution
The fourth proportional to 361,128.87, 541,397.70 and 136,361.75 is: 204,431.00
Step by Step Solution
- Step 1: Write the proportion equation
361,128.87 : 541,397.70 = 136,361.75 : x - Step 2: Convert to fraction form
361,128.87/541,397.70 = 136,361.75/x - Step 3: Cross multiply
361,128.87x = 541,397.70 × 136,361.75 - Step 4: Simplify right side
361,128.87x = 73,825,935,110.99 - Step 5: Solve for x
x = 73,825,935,110.99/361,128.87 - Step 6: Final answer
x = 204,431.00
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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.