Finding the Fourth Proportional to 181,354.64, 271,518.68 and 138,611.09
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Solution
The fourth proportional to 181,354.64, 271,518.68 and 138,611.09 is: 207,524.33
Step by Step Solution
- Step 1: Write the proportion equation
181,354.64 : 271,518.68 = 138,611.09 : x - Step 2: Convert to fraction form
181,354.64/271,518.68 = 138,611.09/x - Step 3: Cross multiply
181,354.64x = 271,518.68 × 138,611.09 - Step 4: Simplify right side
181,354.64x = 37,635,498,832.57 - Step 5: Solve for x
x = 37,635,498,832.57/181,354.64 - Step 6: Final answer
x = 207,524.33
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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.