Finding the Fourth Proportional to 313,859.10, 433,120.44 and 170,622.75
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Solution
The fourth proportional to 313,859.10, 433,120.44 and 170,622.75 is: 235,456.61
Step by Step Solution
- Step 1: Write the proportion equation
313,859.10 : 433,120.44 = 170,622.75 : x - Step 2: Convert to fraction form
313,859.10/433,120.44 = 170,622.75/x - Step 3: Cross multiply
313,859.10x = 433,120.44 × 170,622.75 - Step 4: Simplify right side
313,859.10x = 73,900,200,554.01 - Step 5: Solve for x
x = 73,900,200,554.01/313,859.10 - Step 6: Final answer
x = 235,456.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.