Finding the Fourth Proportional to 543,537.18, 815,450.36 and 188,550.64
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Solution
The fourth proportional to 543,537.18, 815,450.36 and 188,550.64 is: 282,876.12
Step by Step Solution
- Step 1: Write the proportion equation
543,537.18 : 815,450.36 = 188,550.64 : x - Step 2: Convert to fraction form
543,537.18/815,450.36 = 188,550.64/x - Step 3: Cross multiply
543,537.18x = 815,450.36 × 188,550.64 - Step 4: Simplify right side
543,537.18x = 153,753,687,266.23 - Step 5: Solve for x
x = 153,753,687,266.23/543,537.18 - Step 6: Final answer
x = 282,876.12
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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.