Finding the Fourth Proportional to 202,381.70, 302,794.95 and 132,397.70
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Solution
The fourth proportional to 202,381.70, 302,794.95 and 132,397.70 is: 198,087.85
Step by Step Solution
- Step 1: Write the proportion equation
202,381.70 : 302,794.95 = 132,397.70 : x - Step 2: Convert to fraction form
202,381.70/302,794.95 = 132,397.70/x - Step 3: Cross multiply
202,381.70x = 302,794.95 × 132,397.70 - Step 4: Simplify right side
202,381.70x = 40,089,354,951.62 - Step 5: Solve for x
x = 40,089,354,951.62/202,381.70 - Step 6: Final answer
x = 198,087.85
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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.