Finding the Fourth Proportional to 217,391.94, 326,160.84 and 84,276.54
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Solution
The fourth proportional to 217,391.94, 326,160.84 and 84,276.54 is: 126,443.08
Step by Step Solution
- Step 1: Write the proportion equation
217,391.94 : 326,160.84 = 84,276.54 : x - Step 2: Convert to fraction form
217,391.94/326,160.84 = 84,276.54/x - Step 3: Cross multiply
217,391.94x = 326,160.84 × 84,276.54 - Step 4: Simplify right side
217,391.94x = 27,487,707,078.69 - Step 5: Solve for x
x = 27,487,707,078.69/217,391.94 - Step 6: Final answer
x = 126,443.08
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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.