Finding the Fourth Proportional to 200,581.35, 276,765.98 and 128,944.95
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Solution
The fourth proportional to 200,581.35, 276,765.98 and 128,944.95 is: 177,920.70
Step by Step Solution
- Step 1: Write the proportion equation
200,581.35 : 276,765.98 = 128,944.95 : x - Step 2: Convert to fraction form
200,581.35/276,765.98 = 128,944.95/x - Step 3: Cross multiply
200,581.35x = 276,765.98 × 128,944.95 - Step 4: Simplify right side
200,581.35x = 35,687,574,808.08 - Step 5: Solve for x
x = 35,687,574,808.08/200,581.35 - Step 6: Final answer
x = 177,920.70
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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.