Finding the Fourth Proportional to 203,465.10, 305,197.65 and 132,606.30
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Solution
The fourth proportional to 203,465.10, 305,197.65 and 132,606.30 is: 198,909.45
Step by Step Solution
- Step 1: Write the proportion equation
203,465.10 : 305,197.65 = 132,606.30 : x - Step 2: Convert to fraction form
203,465.10/305,197.65 = 132,606.30/x - Step 3: Cross multiply
203,465.10x = 305,197.65 × 132,606.30 - Step 4: Simplify right side
203,465.10x = 40,471,131,135.20 - Step 5: Solve for x
x = 40,471,131,135.20/203,465.10 - Step 6: Final answer
x = 198,909.45
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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.