Finding the Fourth Proportional to 543,788.13, 815,765.18 and 277,403.31
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Solution
The fourth proportional to 543,788.13, 815,765.18 and 277,403.31 is: 416,147.30
Step by Step Solution
- Step 1: Write the proportion equation
543,788.13 : 815,765.18 = 277,403.31 : x - Step 2: Convert to fraction form
543,788.13/815,765.18 = 277,403.31/x - Step 3: Cross multiply
543,788.13x = 815,765.18 × 277,403.31 - Step 4: Simplify right side
543,788.13x = 226,295,959,727.73 - Step 5: Solve for x
x = 226,295,959,727.73/543,788.13 - Step 6: Final answer
x = 416,147.30
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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.