Finding the Fourth Proportional to 181,355.64, 271,520.18 and 138,612.09
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Solution
The fourth proportional to 181,355.64, 271,520.18 and 138,612.09 is: 207,525.83
Step by Step Solution
- Step 1: Write the proportion equation
181,355.64 : 271,520.18 = 138,612.09 : x - Step 2: Convert to fraction form
181,355.64/271,520.18 = 138,612.09/x - Step 3: Cross multiply
181,355.64x = 271,520.18 × 138,612.09 - Step 4: Simplify right side
181,355.64x = 37,635,979,626.98 - Step 5: Solve for x
x = 37,635,979,626.98/181,355.64 - Step 6: Final answer
x = 207,525.83
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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.