Finding the Fourth Proportional to 252,283.17, 378,471.41 and 72,361.05
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Solution
The fourth proportional to 252,283.17, 378,471.41 and 72,361.05 is: 108,554.96
Step by Step Solution
- Step 1: Write the proportion equation
252,283.17 : 378,471.41 = 72,361.05 : x - Step 2: Convert to fraction form
252,283.17/378,471.41 = 72,361.05/x - Step 3: Cross multiply
252,283.17x = 378,471.41 × 72,361.05 - Step 4: Simplify right side
252,283.17x = 27,386,588,260.78 - Step 5: Solve for x
x = 27,386,588,260.78/252,283.17 - Step 6: Final answer
x = 108,554.96
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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.