Finding the Fourth Proportional to 436,908.10, 655,057.56 and 193,616.70
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Solution
The fourth proportional to 436,908.10, 655,057.56 and 193,616.70 is: 290,290.07
Step by Step Solution
- Step 1: Write the proportion equation
436,908.10 : 655,057.56 = 193,616.70 : x - Step 2: Convert to fraction form
436,908.10/655,057.56 = 193,616.70/x - Step 3: Cross multiply
436,908.10x = 655,057.56 × 193,616.70 - Step 4: Simplify right side
436,908.10x = 126,830,083,077.25 - Step 5: Solve for x
x = 126,830,083,077.25/436,908.10 - Step 6: Final answer
x = 290,290.07
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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.