Finding the Fourth Proportional to 548,576.08, 757,107.72 and 306,951.28
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Solution
The fourth proportional to 548,576.08, 757,107.72 and 306,951.28 is: 423,633.46
Step by Step Solution
- Step 1: Write the proportion equation
548,576.08 : 757,107.72 = 306,951.28 : x - Step 2: Convert to fraction form
548,576.08/757,107.72 = 306,951.28/x - Step 3: Cross multiply
548,576.08x = 757,107.72 × 306,951.28 - Step 4: Simplify right side
548,576.08x = 232,395,183,751.88 - Step 5: Solve for x
x = 232,395,183,751.88/548,576.08 - Step 6: Final answer
x = 423,633.46
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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.