Finding the Fourth Proportional to 378,351.28, 567,528.96 and 112,114.08
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Solution
The fourth proportional to 378,351.28, 567,528.96 and 112,114.08 is: 168,171.72
Step by Step Solution
- Step 1: Write the proportion equation
378,351.28 : 567,528.96 = 112,114.08 : x - Step 2: Convert to fraction form
378,351.28/567,528.96 = 112,114.08/x - Step 3: Cross multiply
378,351.28x = 567,528.96 × 112,114.08 - Step 4: Simplify right side
378,351.28x = 63,627,987,223.76 - Step 5: Solve for x
x = 63,627,987,223.76/378,351.28 - Step 6: Final answer
x = 168,171.72
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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.