Finding the Fourth Proportional to 313,857.10, 433,117.69 and 170,620.75
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Solution
The fourth proportional to 313,857.10, 433,117.69 and 170,620.75 is: 235,453.86
Step by Step Solution
- Step 1: Write the proportion equation
313,857.10 : 433,117.69 = 170,620.75 : x - Step 2: Convert to fraction form
313,857.10/433,117.69 = 170,620.75/x - Step 3: Cross multiply
313,857.10x = 433,117.69 × 170,620.75 - Step 4: Simplify right side
313,857.10x = 73,898,865,106.07 - Step 5: Solve for x
x = 73,898,865,106.07/313,857.10 - Step 6: Final answer
x = 235,453.86
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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.