Finding the Fourth Proportional to 306,212.94, 422,587.93 and 170,260.84
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Solution
The fourth proportional to 306,212.94, 422,587.93 and 170,260.84 is: 234,967.78
Step by Step Solution
- Step 1: Write the proportion equation
306,212.94 : 422,587.93 = 170,260.84 : x - Step 2: Convert to fraction form
306,212.94/422,587.93 = 170,260.84/x - Step 3: Cross multiply
306,212.94x = 422,587.93 × 170,260.84 - Step 4: Simplify right side
306,212.94x = 71,950,175,935.66 - Step 5: Solve for x
x = 71,950,175,935.66/306,212.94 - Step 6: Final answer
x = 234,967.78
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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.