Finding the Fourth Proportional to 419,519.05, 629,035.57 and 286,559.98
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Solution
The fourth proportional to 419,519.05, 629,035.57 and 286,559.98 is: 429,673.98
Step by Step Solution
- Step 1: Write the proportion equation
419,519.05 : 629,035.57 = 286,559.98 : x - Step 2: Convert to fraction form
419,519.05/629,035.57 = 286,559.98/x - Step 3: Cross multiply
419,519.05x = 629,035.57 × 286,559.98 - Step 4: Simplify right side
419,519.05x = 180,256,419,144.10 - Step 5: Solve for x
x = 180,256,419,144.10/419,519.05 - Step 6: Final answer
x = 429,673.98
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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.