Finding the Fourth Proportional to 129,283.27, 193,924.92 and 40,544.53
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Solution
The fourth proportional to 129,283.27, 193,924.92 and 40,544.53 is: 60,816.80
Step by Step Solution
- Step 1: Write the proportion equation
129,283.27 : 193,924.92 = 40,544.53 : x - Step 2: Convert to fraction form
129,283.27/193,924.92 = 40,544.53/x - Step 3: Cross multiply
129,283.27x = 193,924.92 × 40,544.53 - Step 4: Simplify right side
129,283.27x = 7,862,594,736.69 - Step 5: Solve for x
x = 7,862,594,736.69/129,283.27 - Step 6: Final answer
x = 60,816.80
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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.