Finding the Fourth Proportional to 454,641.05, 681,075.84 and 276,706.73
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Solution
The fourth proportional to 454,641.05, 681,075.84 and 276,706.73 is: 414,521.01
Step by Step Solution
- Step 1: Write the proportion equation
454,641.05 : 681,075.84 = 276,706.73 : x - Step 2: Convert to fraction form
454,641.05/681,075.84 = 276,706.73/x - Step 3: Cross multiply
454,641.05x = 681,075.84 × 276,706.73 - Step 4: Simplify right side
454,641.05x = 188,458,268,568.40 - Step 5: Solve for x
x = 188,458,268,568.40/454,641.05 - Step 6: Final answer
x = 414,521.01
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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.