Finding the Fourth Proportional to 439,378.26, 658,830.26 and 199,361.19
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Solution
The fourth proportional to 439,378.26, 658,830.26 and 199,361.19 is: 298,934.18
Step by Step Solution
- Step 1: Write the proportion equation
439,378.26 : 658,830.26 = 199,361.19 : x - Step 2: Convert to fraction form
439,378.26/658,830.26 = 199,361.19/x - Step 3: Cross multiply
439,378.26x = 658,830.26 × 199,361.19 - Step 4: Simplify right side
439,378.26x = 131,345,180,350.65 - Step 5: Solve for x
x = 131,345,180,350.65/439,378.26 - Step 6: Final answer
x = 298,934.18
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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.