Finding the Fourth Proportional to 202,138.20, 303,207.30 and 179,587.80
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Solution
The fourth proportional to 202,138.20, 303,207.30 and 179,587.80 is: 269,381.70
Step by Step Solution
- Step 1: Write the proportion equation
202,138.20 : 303,207.30 = 179,587.80 : x - Step 2: Convert to fraction form
202,138.20/303,207.30 = 179,587.80/x - Step 3: Cross multiply
202,138.20x = 303,207.30 × 179,587.80 - Step 4: Simplify right side
202,138.20x = 54,452,331,950.94 - Step 5: Solve for x
x = 54,452,331,950.94/202,138.20 - Step 6: Final answer
x = 269,381.70
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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.