Finding the Fourth Proportional to 396,377.73, 546,772.50 and 252,976.14
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Solution
The fourth proportional to 396,377.73, 546,772.50 and 252,976.14 is: 348,961.07
Step by Step Solution
- Step 1: Write the proportion equation
396,377.73 : 546,772.50 = 252,976.14 : x - Step 2: Convert to fraction form
396,377.73/546,772.50 = 252,976.14/x - Step 3: Cross multiply
396,377.73x = 546,772.50 × 252,976.14 - Step 4: Simplify right side
396,377.73x = 138,320,396,508.15 - Step 5: Solve for x
x = 138,320,396,508.15/396,377.73 - Step 6: Final answer
x = 348,961.07
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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.