Finding the Fourth Proportional to 220,466.13, 304,234.41 and 129,825.91
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Solution
The fourth proportional to 220,466.13, 304,234.41 and 129,825.91 is: 179,154.54
Step by Step Solution
- Step 1: Write the proportion equation
220,466.13 : 304,234.41 = 129,825.91 : x - Step 2: Convert to fraction form
220,466.13/304,234.41 = 129,825.91/x - Step 3: Cross multiply
220,466.13x = 304,234.41 × 129,825.91 - Step 4: Simplify right side
220,466.13x = 39,497,509,131.56 - Step 5: Solve for x
x = 39,497,509,131.56/220,466.13 - Step 6: Final answer
x = 179,154.54
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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.