Finding the Fourth Proportional to 269,423.70, 404,135.55 and 247,553.70
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Solution
The fourth proportional to 269,423.70, 404,135.55 and 247,553.70 is: 371,330.55
Step by Step Solution
- Step 1: Write the proportion equation
269,423.70 : 404,135.55 = 247,553.70 : x - Step 2: Convert to fraction form
269,423.70/404,135.55 = 247,553.70/x - Step 3: Cross multiply
269,423.70x = 404,135.55 × 247,553.70 - Step 4: Simplify right side
269,423.70x = 100,045,250,704.04 - Step 5: Solve for x
x = 100,045,250,704.04/269,423.70 - Step 6: Final answer
x = 371,330.55
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1.5x scale
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.