Finding the Fourth Proportional to 103,668.62, 155,474.16 and 44,491.13
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Solution
The fourth proportional to 103,668.62, 155,474.16 and 44,491.13 is: 66,724.34
Step by Step Solution
- Step 1: Write the proportion equation
103,668.62 : 155,474.16 = 44,491.13 : x - Step 2: Convert to fraction form
103,668.62/155,474.16 = 44,491.13/x - Step 3: Cross multiply
103,668.62x = 155,474.16 × 44,491.13 - Step 4: Simplify right side
103,668.62x = 6,917,220,286.83 - Step 5: Solve for x
x = 6,917,220,286.83/103,668.62 - Step 6: Final answer
x = 66,724.34
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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.