Finding the Fourth Proportional to 259,960.19, 389,303.42 and 214,704.68
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Solution
The fourth proportional to 259,960.19, 389,303.42 and 214,704.68 is: 321,531.02
Step by Step Solution
- Step 1: Write the proportion equation
259,960.19 : 389,303.42 = 214,704.68 : x - Step 2: Convert to fraction form
259,960.19/389,303.42 = 214,704.68/x - Step 3: Cross multiply
259,960.19x = 389,303.42 × 214,704.68 - Step 4: Simplify right side
259,960.19x = 83,585,263,193.97 - Step 5: Solve for x
x = 83,585,263,193.97/259,960.19 - Step 6: Final answer
x = 321,531.02
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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.