Finding the Fourth Proportional to 113,690.68, 170,535.90 and 30,584.68
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Solution
The fourth proportional to 113,690.68, 170,535.90 and 30,584.68 is: 45,876.99
Step by Step Solution
- Step 1: Write the proportion equation
113,690.68 : 170,535.90 = 30,584.68 : x - Step 2: Convert to fraction form
113,690.68/170,535.90 = 30,584.68/x - Step 3: Cross multiply
113,690.68x = 170,535.90 × 30,584.68 - Step 4: Simplify right side
113,690.68x = 5,215,785,930.01 - Step 5: Solve for x
x = 5,215,785,930.01/113,690.68 - Step 6: Final answer
x = 45,876.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.