Finding the Fourth Proportional to 227,704.80, 341,775.90 and 115,511.70
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Solution
The fourth proportional to 227,704.80, 341,775.90 and 115,511.70 is: 173,378.49
Step by Step Solution
- Step 1: Write the proportion equation
227,704.80 : 341,775.90 = 115,511.70 : x - Step 2: Convert to fraction form
227,704.80/341,775.90 = 115,511.70/x - Step 3: Cross multiply
227,704.80x = 341,775.90 × 115,511.70 - Step 4: Simplify right side
227,704.80x = 39,479,115,228.03 - Step 5: Solve for x
x = 39,479,115,228.03/227,704.80 - Step 6: Final answer
x = 173,378.49
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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.