Finding the Fourth Proportional to 183,653.26, 275,524.10 and 76,978.68
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Solution
The fourth proportional to 183,653.26, 275,524.10 and 76,978.68 is: 115,486.55
Step by Step Solution
- Step 1: Write the proportion equation
183,653.26 : 275,524.10 = 76,978.68 : x - Step 2: Convert to fraction form
183,653.26/275,524.10 = 76,978.68/x - Step 3: Cross multiply
183,653.26x = 275,524.10 × 76,978.68 - Step 4: Simplify right side
183,653.26x = 21,209,481,526.19 - Step 5: Solve for x
x = 21,209,481,526.19/183,653.26 - Step 6: Final answer
x = 115,486.55
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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.