Finding the Fourth Proportional to 342,183.61, 472,216.43 and 189,232.09
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Solution
The fourth proportional to 342,183.61, 472,216.43 and 189,232.09 is: 261,141.97
Step by Step Solution
- Step 1: Write the proportion equation
342,183.61 : 472,216.43 = 189,232.09 : x - Step 2: Convert to fraction form
342,183.61/472,216.43 = 189,232.09/x - Step 3: Cross multiply
342,183.61x = 472,216.43 × 189,232.09 - Step 4: Simplify right side
342,183.61x = 89,358,501,981.24 - Step 5: Solve for x
x = 89,358,501,981.24/342,183.61 - Step 6: Final answer
x = 261,141.97
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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.