Finding the Fourth Proportional to 342,629.38, 514,049.24 and 153,249.09
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Solution
The fourth proportional to 342,629.38, 514,049.24 and 153,249.09 is: 229,920.67
Step by Step Solution
- Step 1: Write the proportion equation
342,629.38 : 514,049.24 = 153,249.09 : x - Step 2: Convert to fraction form
342,629.38/514,049.24 = 153,249.09/x - Step 3: Cross multiply
342,629.38x = 514,049.24 × 153,249.09 - Step 4: Simplify right side
342,629.38x = 78,777,578,245.19 - Step 5: Solve for x
x = 78,777,578,245.19/342,629.38 - Step 6: Final answer
x = 229,920.67
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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.