Finding the Fourth Proportional to 271,774.44, 407,578.64 and 129,544.79
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Solution
The fourth proportional to 271,774.44, 407,578.64 and 129,544.79 is: 194,277.60
Step by Step Solution
- Step 1: Write the proportion equation
271,774.44 : 407,578.64 = 129,544.79 : x - Step 2: Convert to fraction form
271,774.44/407,578.64 = 129,544.79/x - Step 3: Cross multiply
271,774.44x = 407,578.64 × 129,544.79 - Step 4: Simplify right side
271,774.44x = 52,799,686,641.67 - Step 5: Solve for x
x = 52,799,686,641.67/271,774.44 - Step 6: Final answer
x = 194,277.60
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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.