Finding the Fourth Proportional to 202,818.10, 304,227.15 and 132,315.70
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Solution
The fourth proportional to 202,818.10, 304,227.15 and 132,315.70 is: 198,473.55
Step by Step Solution
- Step 1: Write the proportion equation
202,818.10 : 304,227.15 = 132,315.70 : x - Step 2: Convert to fraction form
202,818.10/304,227.15 = 132,315.70/x - Step 3: Cross multiply
202,818.10x = 304,227.15 × 132,315.70 - Step 4: Simplify right side
202,818.10x = 40,254,028,311.26 - Step 5: Solve for x
x = 40,254,028,311.26/202,818.10 - Step 6: Final answer
x = 198,473.55
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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.