Finding the Fourth Proportional to 325,823.49, 449,629.11 and 189,848.97
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Solution
The fourth proportional to 325,823.49, 449,629.11 and 189,848.97 is: 261,987.32
Step by Step Solution
- Step 1: Write the proportion equation
325,823.49 : 449,629.11 = 189,848.97 : x - Step 2: Convert to fraction form
325,823.49/449,629.11 = 189,848.97/x - Step 3: Cross multiply
325,823.49x = 449,629.11 × 189,848.97 - Step 4: Simplify right side
325,823.49x = 85,361,623,415.52 - Step 5: Solve for x
x = 85,361,623,415.52/325,823.49 - Step 6: Final answer
x = 261,987.32
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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.