Finding the Fourth Proportional to 342,609.92, 472,795.97 and 189,644.84
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Solution
The fourth proportional to 342,609.92, 472,795.97 and 189,644.84 is: 261,706.71
Step by Step Solution
- Step 1: Write the proportion equation
342,609.92 : 472,795.97 = 189,644.84 : x - Step 2: Convert to fraction form
342,609.92/472,795.97 = 189,644.84/x - Step 3: Cross multiply
342,609.92x = 472,795.97 × 189,644.84 - Step 4: Simplify right side
342,609.92x = 89,663,314,193.43 - Step 5: Solve for x
x = 89,663,314,193.43/342,609.92 - Step 6: Final answer
x = 261,706.71
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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.