Finding the Fourth Proportional to 396,907.62, 547,646.04 and 235,816.44
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Solution
The fourth proportional to 396,907.62, 547,646.04 and 235,816.44 is: 325,375.31
Step by Step Solution
- Step 1: Write the proportion equation
396,907.62 : 547,646.04 = 235,816.44 : x - Step 2: Convert to fraction form
396,907.62/547,646.04 = 235,816.44/x - Step 3: Cross multiply
396,907.62x = 547,646.04 × 235,816.44 - Step 4: Simplify right side
396,907.62x = 129,143,939,532.90 - Step 5: Solve for x
x = 129,143,939,532.90/396,907.62 - Step 6: Final answer
x = 325,375.31
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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.