Finding the Fourth Proportional to 397,442.60, 596,163.90 and 367,029.80
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Solution
The fourth proportional to 397,442.60, 596,163.90 and 367,029.80 is: 550,544.70
Step by Step Solution
- Step 1: Write the proportion equation
397,442.60 : 596,163.90 = 367,029.80 : x - Step 2: Convert to fraction form
397,442.60/596,163.90 = 367,029.80/x - Step 3: Cross multiply
397,442.60x = 596,163.90 × 367,029.80 - Step 4: Simplify right side
397,442.60x = 218,809,916,984.22 - Step 5: Solve for x
x = 218,809,916,984.22/397,442.60 - Step 6: Final answer
x = 550,544.70
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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.