Finding the Fourth Proportional to 274,205.40, 411,437.70 and 116,568.60
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Solution
The fourth proportional to 274,205.40, 411,437.70 and 116,568.60 is: 174,907.99
Step by Step Solution
- Step 1: Write the proportion equation
274,205.40 : 411,437.70 = 116,568.60 : x - Step 2: Convert to fraction form
274,205.40/411,437.70 = 116,568.60/x - Step 3: Cross multiply
274,205.40x = 411,437.70 × 116,568.60 - Step 4: Simplify right side
274,205.40x = 47,960,716,676.22 - Step 5: Solve for x
x = 47,960,716,676.22/274,205.40 - Step 6: Final answer
x = 174,907.99
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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.