Finding the Fourth Proportional to 378,735.90, 522,844.92 and 235,542.08
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Solution
The fourth proportional to 378,735.90, 522,844.92 and 235,542.08 is: 325,165.85
Step by Step Solution
- Step 1: Write the proportion equation
378,735.90 : 522,844.92 = 235,542.08 : x - Step 2: Convert to fraction form
378,735.90/522,844.92 = 235,542.08/x - Step 3: Cross multiply
378,735.90x = 522,844.92 × 235,542.08 - Step 4: Simplify right side
378,735.90x = 123,151,979,974.23 - Step 5: Solve for x
x = 123,151,979,974.23/378,735.90 - Step 6: Final answer
x = 325,165.85
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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.