Finding the Fourth Proportional to 172,152.56, 258,243.73 and 47,493.56
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Solution
The fourth proportional to 172,152.56, 258,243.73 and 47,493.56 is: 71,244.45
Step by Step Solution
- Step 1: Write the proportion equation
172,152.56 : 258,243.73 = 47,493.56 : x - Step 2: Convert to fraction form
172,152.56/258,243.73 = 47,493.56/x - Step 3: Cross multiply
172,152.56x = 258,243.73 × 47,493.56 - Step 4: Simplify right side
172,152.56x = 12,264,914,612.25 - Step 5: Solve for x
x = 12,264,914,612.25/172,152.56 - Step 6: Final answer
x = 71,244.45
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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.