Finding the Fourth Proportional to 306,184.92, 422,502.06 and 170,224.68
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Solution
The fourth proportional to 306,184.92, 422,502.06 and 170,224.68 is: 234,891.64
Step by Step Solution
- Step 1: Write the proportion equation
306,184.92 : 422,502.06 = 170,224.68 : x - Step 2: Convert to fraction form
306,184.92/422,502.06 = 170,224.68/x - Step 3: Cross multiply
306,184.92x = 422,502.06 × 170,224.68 - Step 4: Simplify right side
306,184.92x = 71,920,277,962.84 - Step 5: Solve for x
x = 71,920,277,962.84/306,184.92 - Step 6: Final answer
x = 234,891.64
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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.