Finding the Fourth Proportional to 396,376.73, 546,771.12 and 252,975.14
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Solution
The fourth proportional to 396,376.73, 546,771.12 and 252,975.14 is: 348,959.69
Step by Step Solution
- Step 1: Write the proportion equation
396,376.73 : 546,771.12 = 252,975.14 : x - Step 2: Convert to fraction form
396,376.73/546,771.12 = 252,975.14/x - Step 3: Cross multiply
396,376.73x = 546,771.12 × 252,975.14 - Step 4: Simplify right side
396,376.73x = 138,319,500,629.96 - Step 5: Solve for x
x = 138,319,500,629.96/396,376.73 - Step 6: Final answer
x = 348,959.69
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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.