Finding the Fourth Proportional to 313,860.10, 433,121.83 and 170,623.75
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Solution
The fourth proportional to 313,860.10, 433,121.83 and 170,623.75 is: 235,458.00
Step by Step Solution
- Step 1: Write the proportion equation
313,860.10 : 433,121.83 = 170,623.75 : x - Step 2: Convert to fraction form
313,860.10/433,121.83 = 170,623.75/x - Step 3: Cross multiply
313,860.10x = 433,121.83 × 170,623.75 - Step 4: Simplify right side
313,860.10x = 73,900,870,841.46 - Step 5: Solve for x
x = 73,900,870,841.46/313,860.10 - Step 6: Final answer
x = 235,458.00
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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.