Finding the Fourth Proportional to 256,576.68, 384,936.30 and 106,887.60
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Solution
The fourth proportional to 256,576.68, 384,936.30 and 106,887.60 is: 160,361.09
Step by Step Solution
- Step 1: Write the proportion equation
256,576.68 : 384,936.30 = 106,887.60 : x - Step 2: Convert to fraction form
256,576.68/384,936.30 = 106,887.60/x - Step 3: Cross multiply
256,576.68x = 384,936.30 × 106,887.60 - Step 4: Simplify right side
256,576.68x = 41,144,917,259.88 - Step 5: Solve for x
x = 41,144,917,259.88/256,576.68 - Step 6: Final answer
x = 160,361.09
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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.