Finding the Fourth Proportional to 192,480.71, 288,717.88 and 57,545.09
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Solution
The fourth proportional to 192,480.71, 288,717.88 and 57,545.09 is: 86,316.68
Step by Step Solution
- Step 1: Write the proportion equation
192,480.71 : 288,717.88 = 57,545.09 : x - Step 2: Convert to fraction form
192,480.71/288,717.88 = 57,545.09/x - Step 3: Cross multiply
192,480.71x = 288,717.88 × 57,545.09 - Step 4: Simplify right side
192,480.71x = 16,614,295,992.35 - Step 5: Solve for x
x = 16,614,295,992.35/192,480.71 - Step 6: Final answer
x = 86,316.68
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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.