Finding the Fourth Proportional to 203,462.10, 305,193.15 and 132,603.30
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Solution
The fourth proportional to 203,462.10, 305,193.15 and 132,603.30 is: 198,904.95
Step by Step Solution
- Step 1: Write the proportion equation
203,462.10 : 305,193.15 = 132,603.30 : x - Step 2: Convert to fraction form
203,462.10/305,193.15 = 132,603.30/x - Step 3: Cross multiply
203,462.10x = 305,193.15 × 132,603.30 - Step 4: Simplify right side
203,462.10x = 40,469,618,827.40 - Step 5: Solve for x
x = 40,469,618,827.40/203,462.10 - Step 6: Final answer
x = 198,904.95
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Similar ratio
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1.5x scale
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.