Finding the Fourth Proportional to 758,134.60, 1,136,821.53 and 252,517.75
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Solution
The fourth proportional to 758,134.60, 1,136,821.53 and 252,517.75 is: 378,649.93
Step by Step Solution
- Step 1: Write the proportion equation
758,134.60 : 1,136,821.53 = 252,517.75 : x - Step 2: Convert to fraction form
758,134.60/1,136,821.53 = 252,517.75/x - Step 3: Cross multiply
758,134.60x = 1,136,821.53 × 252,517.75 - Step 4: Simplify right side
758,134.60x = 287,067,609,223.05 - Step 5: Solve for x
x = 287,067,609,223.05/758,134.60 - Step 6: Final answer
x = 378,649.93
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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.