Finding the Fourth Proportional to 436,960.44, 655,476.36 and 121,417.44
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Solution
The fourth proportional to 436,960.44, 655,476.36 and 121,417.44 is: 182,136.08
Step by Step Solution
- Step 1: Write the proportion equation
436,960.44 : 655,476.36 = 121,417.44 : x - Step 2: Convert to fraction form
436,960.44/655,476.36 = 121,417.44/x - Step 3: Cross multiply
436,960.44x = 655,476.36 × 121,417.44 - Step 4: Simplify right side
436,960.44x = 79,586,261,611.72 - Step 5: Solve for x
x = 79,586,261,611.72/436,960.44 - Step 6: Final answer
x = 182,136.08
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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.