Finding the Fourth Proportional to 220,330.09, 304,057.46 and 119,728.09
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Solution
The fourth proportional to 220,330.09, 304,057.46 and 119,728.09 is: 165,225.82
Step by Step Solution
- Step 1: Write the proportion equation
220,330.09 : 304,057.46 = 119,728.09 : x - Step 2: Convert to fraction form
220,330.09/304,057.46 = 119,728.09/x - Step 3: Cross multiply
220,330.09x = 304,057.46 × 119,728.09 - Step 4: Simplify right side
220,330.09x = 36,404,218,936.05 - Step 5: Solve for x
x = 36,404,218,936.05/220,330.09 - Step 6: Final answer
x = 165,225.82
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1.5x scale
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.