Finding the Fourth Proportional to 394,141.68, 591,059.16 and 127,837.80
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Solution
The fourth proportional to 394,141.68, 591,059.16 and 127,837.80 is: 191,706.96
Step by Step Solution
- Step 1: Write the proportion equation
394,141.68 : 591,059.16 = 127,837.80 : x - Step 2: Convert to fraction form
394,141.68/591,059.16 = 127,837.80/x - Step 3: Cross multiply
394,141.68x = 591,059.16 × 127,837.80 - Step 4: Simplify right side
394,141.68x = 75,559,702,684.25 - Step 5: Solve for x
x = 75,559,702,684.25/394,141.68 - Step 6: Final answer
x = 191,706.96
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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.