Finding the Fourth Proportional to 330,528.75, 456,129.68 and 179,625.75
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Solution
The fourth proportional to 330,528.75, 456,129.68 and 179,625.75 is: 247,883.54
Step by Step Solution
- Step 1: Write the proportion equation
330,528.75 : 456,129.68 = 179,625.75 : x - Step 2: Convert to fraction form
330,528.75/456,129.68 = 179,625.75/x - Step 3: Cross multiply
330,528.75x = 456,129.68 × 179,625.75 - Step 4: Simplify right side
330,528.75x = 81,932,635,867.26 - Step 5: Solve for x
x = 81,932,635,867.26/330,528.75 - Step 6: Final answer
x = 247,883.54
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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.