Finding the Fourth Proportional to 318,738.24, 439,860.38 and 182,777.31
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Solution
The fourth proportional to 318,738.24, 439,860.38 and 182,777.31 is: 252,233.61
Step by Step Solution
- Step 1: Write the proportion equation
318,738.24 : 439,860.38 = 182,777.31 : x - Step 2: Convert to fraction form
318,738.24/439,860.38 = 182,777.31/x - Step 3: Cross multiply
318,738.24x = 439,860.38 × 182,777.31 - Step 4: Simplify right side
318,738.24x = 80,396,496,118.09 - Step 5: Solve for x
x = 80,396,496,118.09/318,738.24 - Step 6: Final answer
x = 252,233.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.