Finding the Fourth Proportional to 259,818.70, 389,728.06 and 207,330.70
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Solution
The fourth proportional to 259,818.70, 389,728.06 and 207,330.70 is: 310,996.06
Step by Step Solution
- Step 1: Write the proportion equation
259,818.70 : 389,728.06 = 207,330.70 : x - Step 2: Convert to fraction form
259,818.70/389,728.06 = 207,330.70/x - Step 3: Cross multiply
259,818.70x = 389,728.06 × 207,330.70 - Step 4: Simplify right side
259,818.70x = 80,802,591,489.44 - Step 5: Solve for x
x = 80,802,591,489.44/259,818.70 - Step 6: Final answer
x = 310,996.06
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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.