Finding the Fourth Proportional to 265,639.05, 366,571.26 and 144,777.81
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Solution
The fourth proportional to 265,639.05, 366,571.26 and 144,777.81 is: 199,787.58
Step by Step Solution
- Step 1: Write the proportion equation
265,639.05 : 366,571.26 = 144,777.81 : x - Step 2: Convert to fraction form
265,639.05/366,571.26 = 144,777.81/x - Step 3: Cross multiply
265,639.05x = 366,571.26 × 144,777.81 - Step 4: Simplify right side
265,639.05x = 53,071,384,231.74 - Step 5: Solve for x
x = 53,071,384,231.74/265,639.05 - Step 6: Final answer
x = 199,787.58
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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.