Finding the Fourth Proportional to 436,961.19, 655,477.49 and 121,418.19
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Solution
The fourth proportional to 436,961.19, 655,477.49 and 121,418.19 is: 182,137.20
Step by Step Solution
- Step 1: Write the proportion equation
436,961.19 : 655,477.49 = 121,418.19 : x - Step 2: Convert to fraction form
436,961.19/655,477.49 = 121,418.19/x - Step 3: Cross multiply
436,961.19x = 655,477.49 × 121,418.19 - Step 4: Simplify right side
436,961.19x = 79,586,889,814.45 - Step 5: Solve for x
x = 79,586,889,814.45/436,961.19 - Step 6: Final answer
x = 182,137.20
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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.