Finding the Fourth Proportional to 172,861.75, 259,336.37 and 48,202.75
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Solution
The fourth proportional to 172,861.75, 259,336.37 and 48,202.75 is: 72,316.32
Step by Step Solution
- Step 1: Write the proportion equation
172,861.75 : 259,336.37 = 48,202.75 : x - Step 2: Convert to fraction form
172,861.75/259,336.37 = 48,202.75/x - Step 3: Cross multiply
172,861.75x = 259,336.37 × 48,202.75 - Step 4: Simplify right side
172,861.75x = 12,500,725,968.00 - Step 5: Solve for x
x = 12,500,725,968.00/172,861.75 - Step 6: Final answer
x = 72,316.32
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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.