Finding the Fourth Proportional to 183,531.68, 275,213.04 and 72,647.84
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Solution
The fourth proportional to 183,531.68, 275,213.04 and 72,647.84 is: 108,938.32
Step by Step Solution
- Step 1: Write the proportion equation
183,531.68 : 275,213.04 = 72,647.84 : x - Step 2: Convert to fraction form
183,531.68/275,213.04 = 72,647.84/x - Step 3: Cross multiply
183,531.68x = 275,213.04 × 72,647.84 - Step 4: Simplify right side
183,531.68x = 19,993,632,895.83 - Step 5: Solve for x
x = 19,993,632,895.83/183,531.68 - Step 6: Final answer
x = 108,938.32
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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.