Finding the Fourth Proportional to 220,342.44, 304,047.84 and 124,828.68
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Solution
The fourth proportional to 220,342.44, 304,047.84 and 124,828.68 is: 172,249.57
Step by Step Solution
- Step 1: Write the proportion equation
220,342.44 : 304,047.84 = 124,828.68 : x - Step 2: Convert to fraction form
220,342.44/304,047.84 = 124,828.68/x - Step 3: Cross multiply
220,342.44x = 304,047.84 × 124,828.68 - Step 4: Simplify right side
220,342.44x = 37,953,890,524.05 - Step 5: Solve for x
x = 37,953,890,524.05/220,342.44 - Step 6: Final answer
x = 172,249.57
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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.