Finding the Fourth Proportional to 202,814.10, 304,221.15 and 132,311.70
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Solution
The fourth proportional to 202,814.10, 304,221.15 and 132,311.70 is: 198,467.55
Step by Step Solution
- Step 1: Write the proportion equation
202,814.10 : 304,221.15 = 132,311.70 : x - Step 2: Convert to fraction form
202,814.10/304,221.15 = 132,311.70/x - Step 3: Cross multiply
202,814.10x = 304,221.15 × 132,311.70 - Step 4: Simplify right side
202,814.10x = 40,252,017,532.46 - Step 5: Solve for x
x = 40,252,017,532.46/202,814.10 - Step 6: Final answer
x = 198,467.55
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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.