Finding the Fourth Proportional to 168,377.32, 232,361.94 and 91,896.94
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Solution
The fourth proportional to 168,377.32, 232,361.94 and 91,896.94 is: 126,818.45
Step by Step Solution
- Step 1: Write the proportion equation
168,377.32 : 232,361.94 = 91,896.94 : x - Step 2: Convert to fraction form
168,377.32/232,361.94 = 91,896.94/x - Step 3: Cross multiply
168,377.32x = 232,361.94 × 91,896.94 - Step 4: Simplify right side
168,377.32x = 21,353,351,258.46 - Step 5: Solve for x
x = 21,353,351,258.46/168,377.32 - Step 6: Final answer
x = 126,818.45
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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.