Finding the Fourth Proportional to 256,447.26, 353,946.09 and 169,078.95
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Solution
The fourth proportional to 256,447.26, 353,946.09 and 169,078.95 is: 233,361.17
Step by Step Solution
- Step 1: Write the proportion equation
256,447.26 : 353,946.09 = 169,078.95 : x - Step 2: Convert to fraction form
256,447.26/353,946.09 = 169,078.95/x - Step 3: Cross multiply
256,447.26x = 353,946.09 × 169,078.95 - Step 4: Simplify right side
256,447.26x = 59,844,833,887.85 - Step 5: Solve for x
x = 59,844,833,887.85/256,447.26 - Step 6: Final answer
x = 233,361.17
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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.