Finding the Fourth Proportional to 192,714.45, 265,914.21 and 121,043.42
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Solution
The fourth proportional to 192,714.45, 265,914.21 and 121,043.42 is: 167,019.99
Step by Step Solution
- Step 1: Write the proportion equation
192,714.45 : 265,914.21 = 121,043.42 : x - Step 2: Convert to fraction form
192,714.45/265,914.21 = 121,043.42/x - Step 3: Cross multiply
192,714.45x = 265,914.21 × 121,043.42 - Step 4: Simplify right side
192,714.45x = 32,187,165,405.00 - Step 5: Solve for x
x = 32,187,165,405.00/192,714.45 - Step 6: Final answer
x = 167,019.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.