Finding the Fourth Proportional to 169,505.12, 233,917.20 and 94,053.56
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Solution
The fourth proportional to 169,505.12, 233,917.20 and 94,053.56 is: 129,793.99
Step by Step Solution
- Step 1: Write the proportion equation
169,505.12 : 233,917.20 = 94,053.56 : x - Step 2: Convert to fraction form
169,505.12/233,917.20 = 94,053.56/x - Step 3: Cross multiply
169,505.12x = 233,917.20 × 94,053.56 - Step 4: Simplify right side
169,505.12x = 22,000,745,405.23 - Step 5: Solve for x
x = 22,000,745,405.23/169,505.12 - Step 6: Final answer
x = 129,793.99
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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.