Finding the Fourth Proportional to 113,812.26, 170,718.42 and 38,933.12
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Solution
The fourth proportional to 113,812.26, 170,718.42 and 38,933.12 is: 58,399.69
Step by Step Solution
- Step 1: Write the proportion equation
113,812.26 : 170,718.42 = 38,933.12 : x - Step 2: Convert to fraction form
113,812.26/170,718.42 = 38,933.12/x - Step 3: Cross multiply
113,812.26x = 170,718.42 × 38,933.12 - Step 4: Simplify right side
113,812.26x = 6,646,600,732.07 - Step 5: Solve for x
x = 6,646,600,732.07/113,812.26 - Step 6: Final answer
x = 58,399.69
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1.5x scale
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.