Finding the Fourth Proportional to 192,478.44, 288,717.81 and 52,237.07
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Solution
The fourth proportional to 192,478.44, 288,717.81 and 52,237.07 is: 78,355.65
Step by Step Solution
- Step 1: Write the proportion equation
192,478.44 : 288,717.81 = 52,237.07 : x - Step 2: Convert to fraction form
192,478.44/288,717.81 = 52,237.07/x - Step 3: Cross multiply
192,478.44x = 288,717.81 × 52,237.07 - Step 4: Simplify right side
192,478.44x = 15,081,772,451.22 - Step 5: Solve for x
x = 15,081,772,451.22/192,478.44 - Step 6: Final answer
x = 78,355.65
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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.