Finding the Fourth Proportional to 115,254.30, 172,762.86 and 44,157.62
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Solution
The fourth proportional to 115,254.30, 172,762.86 and 44,157.62 is: 66,190.99
Step by Step Solution
- Step 1: Write the proportion equation
115,254.30 : 172,762.86 = 44,157.62 : x - Step 2: Convert to fraction form
115,254.30/172,762.86 = 44,157.62/x - Step 3: Cross multiply
115,254.30x = 172,762.86 × 44,157.62 - Step 4: Simplify right side
115,254.30x = 7,628,796,721.99 - Step 5: Solve for x
x = 7,628,796,721.99/115,254.30 - Step 6: Final answer
x = 66,190.99
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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.