Finding the Fourth Proportional to 276,759.73, 414,816.99 and 127,015.84
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Solution
The fourth proportional to 276,759.73, 414,816.99 and 127,015.84 is: 190,375.70
Step by Step Solution
- Step 1: Write the proportion equation
276,759.73 : 414,816.99 = 127,015.84 : x - Step 2: Convert to fraction form
276,759.73/414,816.99 = 127,015.84/x - Step 3: Cross multiply
276,759.73x = 414,816.99 × 127,015.84 - Step 4: Simplify right side
276,759.73x = 52,688,328,431.12 - Step 5: Solve for x
x = 52,688,328,431.12/276,759.73 - Step 6: Final answer
x = 190,375.70
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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.