Finding the Fourth Proportional to 168,079.59, 231,958.49 and 92,628.09
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Solution
The fourth proportional to 168,079.59, 231,958.49 and 92,628.09 is: 127,831.53
Step by Step Solution
- Step 1: Write the proportion equation
168,079.59 : 231,958.49 = 92,628.09 : x - Step 2: Convert to fraction form
168,079.59/231,958.49 = 92,628.09/x - Step 3: Cross multiply
168,079.59x = 231,958.49 × 92,628.09 - Step 4: Simplify right side
168,079.59x = 21,485,871,424.84 - Step 5: Solve for x
x = 21,485,871,424.84/168,079.59 - Step 6: Final answer
x = 127,831.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.