Finding the Fourth Proportional to 325,646.12, 449,378.60 and 182,398.84
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Solution
The fourth proportional to 325,646.12, 449,378.60 and 182,398.84 is: 251,703.09
Step by Step Solution
- Step 1: Write the proportion equation
325,646.12 : 449,378.60 = 182,398.84 : x - Step 2: Convert to fraction form
325,646.12/449,378.60 = 182,398.84/x - Step 3: Cross multiply
325,646.12x = 449,378.60 × 182,398.84 - Step 4: Simplify right side
325,646.12x = 81,966,135,360.82 - Step 5: Solve for x
x = 81,966,135,360.82/325,646.12 - Step 6: Final answer
x = 251,703.09
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1.5x scale
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.