Finding the Fourth Proportional to 451,519.36, 676,684.80 and 251,933.68
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Solution
The fourth proportional to 451,519.36, 676,684.80 and 251,933.68 is: 377,568.95
Step by Step Solution
- Step 1: Write the proportion equation
451,519.36 : 676,684.80 = 251,933.68 : x - Step 2: Convert to fraction form
451,519.36/676,684.80 = 251,933.68/x - Step 3: Cross multiply
451,519.36x = 676,684.80 × 251,933.68 - Step 4: Simplify right side
451,519.36x = 170,479,691,864.06 - Step 5: Solve for x
x = 170,479,691,864.06/451,519.36 - Step 6: Final answer
x = 377,568.95
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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.