Finding the Fourth Proportional to 275,378.00, 379,718.08 and 190,347.44
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Solution
The fourth proportional to 275,378.00, 379,718.08 and 190,347.44 is: 262,469.64
Step by Step Solution
- Step 1: Write the proportion equation
275,378.00 : 379,718.08 = 190,347.44 : x - Step 2: Convert to fraction form
275,378.00/379,718.08 = 190,347.44/x - Step 3: Cross multiply
275,378.00x = 379,718.08 × 190,347.44 - Step 4: Simplify right side
275,378.00x = 72,278,362,075.26 - Step 5: Solve for x
x = 72,278,362,075.26/275,378.00 - Step 6: Final answer
x = 262,469.64
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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.