Finding the Fourth Proportional to 547,979.10, 755,771.67 and 343,844.70
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Solution
The fourth proportional to 547,979.10, 755,771.67 and 343,844.70 is: 474,229.92
Step by Step Solution
- Step 1: Write the proportion equation
547,979.10 : 755,771.67 = 343,844.70 : x - Step 2: Convert to fraction form
547,979.10/755,771.67 = 343,844.70/x - Step 3: Cross multiply
547,979.10x = 755,771.67 × 343,844.70 - Step 4: Simplify right side
547,979.10x = 259,868,083,139.65 - Step 5: Solve for x
x = 259,868,083,139.65/547,979.10 - Step 6: Final answer
x = 474,229.92
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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.