Finding the Fourth Proportional to 306,062.01, 422,365.20 and 170,091.66
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Solution
The fourth proportional to 306,062.01, 422,365.20 and 170,091.66 is: 234,726.28
Step by Step Solution
- Step 1: Write the proportion equation
306,062.01 : 422,365.20 = 170,091.66 : x - Step 2: Convert to fraction form
306,062.01/422,365.20 = 170,091.66/x - Step 3: Cross multiply
306,062.01x = 422,365.20 × 170,091.66 - Step 4: Simplify right side
306,062.01x = 71,840,797,994.23 - Step 5: Solve for x
x = 71,840,797,994.23/306,062.01 - Step 6: Final answer
x = 234,726.28
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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.