Finding the Fourth Proportional to 341,635.80, 512,453.70 and 275,205.70
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Solution
The fourth proportional to 341,635.80, 512,453.70 and 275,205.70 is: 412,808.55
Step by Step Solution
- Step 1: Write the proportion equation
341,635.80 : 512,453.70 = 275,205.70 : x - Step 2: Convert to fraction form
341,635.80/512,453.70 = 275,205.70/x - Step 3: Cross multiply
341,635.80x = 512,453.70 × 275,205.70 - Step 4: Simplify right side
341,635.80x = 141,030,179,226.09 - Step 5: Solve for x
x = 141,030,179,226.09/341,635.80 - Step 6: Final answer
x = 412,808.55
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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.