Finding the Fourth Proportional to 259,739.70, 388,953.45 and 207,251.70
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Solution
The fourth proportional to 259,739.70, 388,953.45 and 207,251.70 is: 310,354.03
Step by Step Solution
- Step 1: Write the proportion equation
259,739.70 : 388,953.45 = 207,251.70 : x - Step 2: Convert to fraction form
259,739.70/388,953.45 = 207,251.70/x - Step 3: Cross multiply
259,739.70x = 388,953.45 × 207,251.70 - Step 4: Simplify right side
259,739.70x = 80,611,263,733.37 - Step 5: Solve for x
x = 80,611,263,733.37/259,739.70 - Step 6: Final answer
x = 310,354.03
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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.