Finding the Fourth Proportional to 145,788.26, 201,183.99 and 82,122.26
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Solution
The fourth proportional to 145,788.26, 201,183.99 and 82,122.26 is: 113,326.57
Step by Step Solution
- Step 1: Write the proportion equation
145,788.26 : 201,183.99 = 82,122.26 : x - Step 2: Convert to fraction form
145,788.26/201,183.99 = 82,122.26/x - Step 3: Cross multiply
145,788.26x = 201,183.99 × 82,122.26 - Step 4: Simplify right side
145,788.26x = 16,521,683,934.62 - Step 5: Solve for x
x = 16,521,683,934.62/145,788.26 - Step 6: Final answer
x = 113,326.57
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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.