Finding the Fourth Proportional to 177,467.40, 266,201.10 and 72,361.80
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Solution
The fourth proportional to 177,467.40, 266,201.10 and 72,361.80 is: 108,542.70
Step by Step Solution
- Step 1: Write the proportion equation
177,467.40 : 266,201.10 = 72,361.80 : x - Step 2: Convert to fraction form
177,467.40/266,201.10 = 72,361.80/x - Step 3: Cross multiply
177,467.40x = 266,201.10 × 72,361.80 - Step 4: Simplify right side
177,467.40x = 19,262,790,757.98 - Step 5: Solve for x
x = 19,262,790,757.98/177,467.40 - Step 6: Final answer
x = 108,542.70
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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.