Finding the Fourth Proportional to 220,296.80, 304,005.82 and 119,694.08
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Solution
The fourth proportional to 220,296.80, 304,005.82 and 119,694.08 is: 165,175.79
Step by Step Solution
- Step 1: Write the proportion equation
220,296.80 : 304,005.82 = 119,694.08 : x - Step 2: Convert to fraction form
220,296.80/304,005.82 = 119,694.08/x - Step 3: Cross multiply
220,296.80x = 304,005.82 × 119,694.08 - Step 4: Simplify right side
220,296.80x = 36,387,696,939.55 - Step 5: Solve for x
x = 36,387,696,939.55/220,296.80 - Step 6: Final answer
x = 165,175.79
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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.