Finding the Fourth Proportional to 467,668.38, 644,951.97 and 306,464.88
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Solution
The fourth proportional to 467,668.38, 644,951.97 and 306,464.88 is: 422,639.49
Step by Step Solution
- Step 1: Write the proportion equation
467,668.38 : 644,951.97 = 306,464.88 : x - Step 2: Convert to fraction form
467,668.38/644,951.97 = 306,464.88/x - Step 3: Cross multiply
467,668.38x = 644,951.97 × 306,464.88 - Step 4: Simplify right side
467,668.38x = 197,655,128,171.87 - Step 5: Solve for x
x = 197,655,128,171.87/467,668.38 - Step 6: Final answer
x = 422,639.49
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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.