Finding the Fourth Proportional to 189,077.60, 260,928.82 and 104,197.68
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Solution
The fourth proportional to 189,077.60, 260,928.82 and 104,197.68 is: 143,793.75
Step by Step Solution
- Step 1: Write the proportion equation
189,077.60 : 260,928.82 = 104,197.68 : x - Step 2: Convert to fraction form
189,077.60/260,928.82 = 104,197.68/x - Step 3: Cross multiply
189,077.60x = 260,928.82 × 104,197.68 - Step 4: Simplify right side
189,077.60x = 27,188,177,689.14 - Step 5: Solve for x
x = 27,188,177,689.14/189,077.60 - Step 6: Final answer
x = 143,793.75
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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.