Finding the Fourth Proportional to 255,957.88, 353,161.74 and 155,336.44
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Solution
The fourth proportional to 255,957.88, 353,161.74 and 155,336.44 is: 214,327.79
Step by Step Solution
- Step 1: Write the proportion equation
255,957.88 : 353,161.74 = 155,336.44 : x - Step 2: Convert to fraction form
255,957.88/353,161.74 = 155,336.44/x - Step 3: Cross multiply
255,957.88x = 353,161.74 × 155,336.44 - Step 4: Simplify right side
255,957.88x = 54,858,887,435.81 - Step 5: Solve for x
x = 54,858,887,435.81/255,957.88 - Step 6: Final answer
x = 214,327.79
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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.