Finding the Fourth Proportional to 217,832.20, 326,748.30 and 202,085.80
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Solution
The fourth proportional to 217,832.20, 326,748.30 and 202,085.80 is: 303,128.70
Step by Step Solution
- Step 1: Write the proportion equation
217,832.20 : 326,748.30 = 202,085.80 : x - Step 2: Convert to fraction form
217,832.20/326,748.30 = 202,085.80/x - Step 3: Cross multiply
217,832.20x = 326,748.30 × 202,085.80 - Step 4: Simplify right side
217,832.20x = 66,031,191,604.14 - Step 5: Solve for x
x = 66,031,191,604.14/217,832.20 - Step 6: Final answer
x = 303,128.70
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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.