Finding the Fourth Proportional to 875,621.97, 1,313,324.26 and 235,975.75
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Solution
The fourth proportional to 875,621.97, 1,313,324.26 and 235,975.75 is: 353,934.33
Step by Step Solution
- Step 1: Write the proportion equation
875,621.97 : 1,313,324.26 = 235,975.75 : x - Step 2: Convert to fraction form
875,621.97/1,313,324.26 = 235,975.75/x - Step 3: Cross multiply
875,621.97x = 1,313,324.26 × 235,975.75 - Step 4: Simplify right side
875,621.97x = 309,912,673,373.45 - Step 5: Solve for x
x = 309,912,673,373.45/875,621.97 - Step 6: Final answer
x = 353,934.33
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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.