Finding the Fourth Proportional to 394,075.26, 591,195.95 and 127,815.06
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Solution
The fourth proportional to 394,075.26, 591,195.95 and 127,815.06 is: 191,749.54
Step by Step Solution
- Step 1: Write the proportion equation
394,075.26 : 591,195.95 = 127,815.06 : x - Step 2: Convert to fraction form
394,075.26/591,195.95 = 127,815.06/x - Step 3: Cross multiply
394,075.26x = 591,195.95 × 127,815.06 - Step 4: Simplify right side
394,075.26x = 75,563,747,878.22 - Step 5: Solve for x
x = 75,563,747,878.22/394,075.26 - Step 6: Final answer
x = 191,749.54
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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.