Finding the Fourth Proportional to 543,675.97, 815,347.50 and 259,216.53
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Solution
The fourth proportional to 543,675.97, 815,347.50 and 259,216.53 is: 388,745.43
Step by Step Solution
- Step 1: Write the proportion equation
543,675.97 : 815,347.50 = 259,216.53 : x - Step 2: Convert to fraction form
543,675.97/815,347.50 = 259,216.53/x - Step 3: Cross multiply
543,675.97x = 815,347.50 × 259,216.53 - Step 4: Simplify right side
543,675.97x = 211,351,549,694.18 - Step 5: Solve for x
x = 211,351,549,694.18/543,675.97 - Step 6: Final answer
x = 388,745.43
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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.