Finding the Fourth Proportional to 548,706.14, 757,243.88 and 306,974.28
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Solution
The fourth proportional to 548,706.14, 757,243.88 and 306,974.28 is: 423,640.96
Step by Step Solution
- Step 1: Write the proportion equation
548,706.14 : 757,243.88 = 306,974.28 : x - Step 2: Convert to fraction form
548,706.14/757,243.88 = 306,974.28/x - Step 3: Cross multiply
548,706.14x = 757,243.88 × 306,974.28 - Step 4: Simplify right side
548,706.14x = 232,454,394,847.41 - Step 5: Solve for x
x = 232,454,394,847.41/548,706.14 - Step 6: Final answer
x = 423,640.96
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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.