Finding the Fourth Proportional to 202,831.68, 303,814.08 and 164,709.12
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Solution
The fourth proportional to 202,831.68, 303,814.08 and 164,709.12 is: 246,711.71
Step by Step Solution
- Step 1: Write the proportion equation
202,831.68 : 303,814.08 = 164,709.12 : x - Step 2: Convert to fraction form
202,831.68/303,814.08 = 164,709.12/x - Step 3: Cross multiply
202,831.68x = 303,814.08 × 164,709.12 - Step 4: Simplify right side
202,831.68x = 50,040,949,760.41 - Step 5: Solve for x
x = 50,040,949,760.41/202,831.68 - Step 6: Final answer
x = 246,711.71
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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.