Finding the Fourth Proportional to 113,524.84, 170,287.26 and 38,645.65
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Solution
The fourth proportional to 113,524.84, 170,287.26 and 38,645.65 is: 57,968.48
Step by Step Solution
- Step 1: Write the proportion equation
113,524.84 : 170,287.26 = 38,645.65 : x - Step 2: Convert to fraction form
113,524.84/170,287.26 = 38,645.65/x - Step 3: Cross multiply
113,524.84x = 170,287.26 × 38,645.65 - Step 4: Simplify right side
113,524.84x = 6,580,861,849.42 - Step 5: Solve for x
x = 6,580,861,849.42/113,524.84 - Step 6: Final answer
x = 57,968.48
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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.