Finding the Fourth Proportional to 374,065.44, 516,213.60 and 212,930.88
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Solution
The fourth proportional to 374,065.44, 516,213.60 and 212,930.88 is: 293,846.49
Step by Step Solution
- Step 1: Write the proportion equation
374,065.44 : 516,213.60 = 212,930.88 : x - Step 2: Convert to fraction form
374,065.44/516,213.60 = 212,930.88/x - Step 3: Cross multiply
374,065.44x = 516,213.60 × 212,930.88 - Step 4: Simplify right side
374,065.44x = 109,917,816,115.97 - Step 5: Solve for x
x = 109,917,816,115.97/374,065.44 - Step 6: Final answer
x = 293,846.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.