Finding the Fourth Proportional to 115,230.75, 172,847.34 and 32,124.75
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Solution
The fourth proportional to 115,230.75, 172,847.34 and 32,124.75 is: 48,187.46
Step by Step Solution
- Step 1: Write the proportion equation
115,230.75 : 172,847.34 = 32,124.75 : x - Step 2: Convert to fraction form
115,230.75/172,847.34 = 32,124.75/x - Step 3: Cross multiply
115,230.75x = 172,847.34 × 32,124.75 - Step 4: Simplify right side
115,230.75x = 5,552,677,585.67 - Step 5: Solve for x
x = 5,552,677,585.67/115,230.75 - Step 6: Final answer
x = 48,187.46
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1.5x scale
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.