Finding the Fourth Proportional to 328,717.92, 492,791.52 and 160,003.68
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Solution
The fourth proportional to 328,717.92, 492,791.52 and 160,003.68 is: 239,866.62
Step by Step Solution
- Step 1: Write the proportion equation
328,717.92 : 492,791.52 = 160,003.68 : x - Step 2: Convert to fraction form
328,717.92/492,791.52 = 160,003.68/x - Step 3: Cross multiply
328,717.92x = 492,791.52 × 160,003.68 - Step 4: Simplify right side
328,717.92x = 78,848,456,672.79 - Step 5: Solve for x
x = 78,848,456,672.79/328,717.92 - Step 6: Final answer
x = 239,866.62
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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.