Finding the Fourth Proportional to 306,039.97, 422,326.74 and 170,070.43
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Solution
The fourth proportional to 306,039.97, 422,326.74 and 170,070.43 is: 234,692.52
Step by Step Solution
- Step 1: Write the proportion equation
306,039.97 : 422,326.74 = 170,070.43 : x - Step 2: Convert to fraction form
306,039.97/422,326.74 = 170,070.43/x - Step 3: Cross multiply
306,039.97x = 422,326.74 × 170,070.43 - Step 4: Simplify right side
306,039.97x = 71,825,290,272.30 - Step 5: Solve for x
x = 71,825,290,272.30/306,039.97 - Step 6: Final answer
x = 234,692.52
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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.