Finding the Fourth Proportional to 642,939.88, 964,449.88 and 169,625.68
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Solution
The fourth proportional to 642,939.88, 964,449.88 and 169,625.68 is: 254,449.09
Step by Step Solution
- Step 1: Write the proportion equation
642,939.88 : 964,449.88 = 169,625.68 : x - Step 2: Convert to fraction form
642,939.88/964,449.88 = 169,625.68/x - Step 3: Cross multiply
642,939.88x = 964,449.88 × 169,625.68 - Step 4: Simplify right side
642,939.88x = 163,595,466,720.92 - Step 5: Solve for x
x = 163,595,466,720.92/642,939.88 - Step 6: Final answer
x = 254,449.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.