Finding the Fourth Proportional to 342,752.09, 472,992.11 and 189,786.98
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Solution
The fourth proportional to 342,752.09, 472,992.11 and 189,786.98 is: 261,902.84
Step by Step Solution
- Step 1: Write the proportion equation
342,752.09 : 472,992.11 = 189,786.98 : x - Step 2: Convert to fraction form
342,752.09/472,992.11 = 189,786.98/x - Step 3: Cross multiply
342,752.09x = 472,992.11 × 189,786.98 - Step 4: Simplify right side
342,752.09x = 89,767,744,354.27 - Step 5: Solve for x
x = 89,767,744,354.27/342,752.09 - Step 6: Final answer
x = 261,902.84
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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.