Finding the Fourth Proportional to 192,813.96, 288,844.26 and 132,831.84
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Solution
The fourth proportional to 192,813.96, 288,844.26 and 132,831.84 is: 198,988.26
Step by Step Solution
- Step 1: Write the proportion equation
192,813.96 : 288,844.26 = 132,831.84 : x - Step 2: Convert to fraction form
192,813.96/288,844.26 = 132,831.84/x - Step 3: Cross multiply
192,813.96x = 288,844.26 × 132,831.84 - Step 4: Simplify right side
192,813.96x = 38,367,714,529.24 - Step 5: Solve for x
x = 38,367,714,529.24/192,813.96 - Step 6: Final answer
x = 198,988.26
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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.