Finding the Fourth Proportional to 203,695.40, 305,560.88 and 83,759.66
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Solution
The fourth proportional to 203,695.40, 305,560.88 and 83,759.66 is: 125,646.80
Step by Step Solution
- Step 1: Write the proportion equation
203,695.40 : 305,560.88 = 83,759.66 : x - Step 2: Convert to fraction form
203,695.40/305,560.88 = 83,759.66/x - Step 3: Cross multiply
203,695.40x = 305,560.88 × 83,759.66 - Step 4: Simplify right side
203,695.40x = 25,593,675,418.10 - Step 5: Solve for x
x = 25,593,675,418.10/203,695.40 - Step 6: Final answer
x = 125,646.80
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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.