Finding the Fourth Proportional to 531,396.53, 797,266.92 and 318,131.09
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Solution
The fourth proportional to 531,396.53, 797,266.92 and 318,131.09 is: 477,299.68
Step by Step Solution
- Step 1: Write the proportion equation
531,396.53 : 797,266.92 = 318,131.09 : x - Step 2: Convert to fraction form
531,396.53/797,266.92 = 318,131.09/x - Step 3: Cross multiply
531,396.53x = 797,266.92 × 318,131.09 - Step 4: Simplify right side
531,396.53x = 253,635,394,476.95 - Step 5: Solve for x
x = 253,635,394,476.95/531,396.53 - Step 6: Final answer
x = 477,299.68
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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.