Finding the Fourth Proportional to 166,581.28, 229,881.84 and 91,129.84
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Solution
The fourth proportional to 166,581.28, 229,881.84 and 91,129.84 is: 125,759.00
Step by Step Solution
- Step 1: Write the proportion equation
166,581.28 : 229,881.84 = 91,129.84 : x - Step 2: Convert to fraction form
166,581.28/229,881.84 = 91,129.84/x - Step 3: Cross multiply
166,581.28x = 229,881.84 × 91,129.84 - Step 4: Simplify right side
166,581.28x = 20,949,095,298.11 - Step 5: Solve for x
x = 20,949,095,298.11/166,581.28 - Step 6: Final answer
x = 125,759.00
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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.