Finding the Fourth Proportional to 378,109.53, 567,252.54 and 125,371.53
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Solution
The fourth proportional to 378,109.53, 567,252.54 and 125,371.53 is: 188,086.55
Step by Step Solution
- Step 1: Write the proportion equation
378,109.53 : 567,252.54 = 125,371.53 : x - Step 2: Convert to fraction form
378,109.53/567,252.54 = 125,371.53/x - Step 3: Cross multiply
378,109.53x = 567,252.54 × 125,371.53 - Step 4: Simplify right side
378,109.53x = 71,117,318,836.19 - Step 5: Solve for x
x = 71,117,318,836.19/378,109.53 - Step 6: Final answer
x = 188,086.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.