Finding the Fourth Proportional to 494,286.24, 681,992.73 and 279,421.69
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Solution
The fourth proportional to 494,286.24, 681,992.73 and 279,421.69 is: 385,532.81
Step by Step Solution
- Step 1: Write the proportion equation
494,286.24 : 681,992.73 = 279,421.69 : x - Step 2: Convert to fraction form
494,286.24/681,992.73 = 279,421.69/x - Step 3: Cross multiply
494,286.24x = 681,992.73 × 279,421.69 - Step 4: Simplify right side
494,286.24x = 190,563,561,184.31 - Step 5: Solve for x
x = 190,563,561,184.31/494,286.24 - Step 6: Final answer
x = 385,532.81
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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.