Finding the Fourth Proportional to 220,316.77, 304,044.26 and 124,821.42
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Solution
The fourth proportional to 220,316.77, 304,044.26 and 124,821.42 is: 172,257.59
Step by Step Solution
- Step 1: Write the proportion equation
220,316.77 : 304,044.26 = 124,821.42 : x - Step 2: Convert to fraction form
220,316.77/304,044.26 = 124,821.42/x - Step 3: Cross multiply
220,316.77x = 304,044.26 × 124,821.42 - Step 4: Simplify right side
220,316.77x = 37,951,236,276.05 - Step 5: Solve for x
x = 37,951,236,276.05/220,316.77 - Step 6: Final answer
x = 172,257.59
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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.