Finding the Fourth Proportional to 318,522.24, 439,578.84 and 182,578.80
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Solution
The fourth proportional to 318,522.24, 439,578.84 and 182,578.80 is: 251,969.15
Step by Step Solution
- Step 1: Write the proportion equation
318,522.24 : 439,578.84 = 182,578.80 : x - Step 2: Convert to fraction form
318,522.24/439,578.84 = 182,578.80/x - Step 3: Cross multiply
318,522.24x = 439,578.84 × 182,578.80 - Step 4: Simplify right side
318,522.24x = 80,257,777,112.59 - Step 5: Solve for x
x = 80,257,777,112.59/318,522.24 - Step 6: Final answer
x = 251,969.15
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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.