Finding the Fourth Proportional to 481,737.69, 722,578.65 and 144,771.09
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Solution
The fourth proportional to 481,737.69, 722,578.65 and 144,771.09 is: 217,148.26
Step by Step Solution
- Step 1: Write the proportion equation
481,737.69 : 722,578.65 = 144,771.09 : x - Step 2: Convert to fraction form
481,737.69/722,578.65 = 144,771.09/x - Step 3: Cross multiply
481,737.69x = 722,578.65 × 144,771.09 - Step 4: Simplify right side
481,737.69x = 104,608,498,771.23 - Step 5: Solve for x
x = 104,608,498,771.23/481,737.69 - Step 6: Final answer
x = 217,148.26
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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.