Finding the Fourth Proportional to 203,908.20, 305,862.30 and 119,708.70
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Solution
The fourth proportional to 203,908.20, 305,862.30 and 119,708.70 is: 179,563.05
Step by Step Solution
- Step 1: Write the proportion equation
203,908.20 : 305,862.30 = 119,708.70 : x - Step 2: Convert to fraction form
203,908.20/305,862.30 = 119,708.70/x - Step 3: Cross multiply
203,908.20x = 305,862.30 × 119,708.70 - Step 4: Simplify right side
203,908.20x = 36,614,378,312.01 - Step 5: Solve for x
x = 36,614,378,312.01/203,908.20 - Step 6: Final answer
x = 179,563.05
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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.