Finding the Fourth Proportional to 207,091.11, 310,230.69 and 107,316.75
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Solution
The fourth proportional to 207,091.11, 310,230.69 and 107,316.75 is: 160,764.74
Step by Step Solution
- Step 1: Write the proportion equation
207,091.11 : 310,230.69 = 107,316.75 : x - Step 2: Convert to fraction form
207,091.11/310,230.69 = 107,316.75/x - Step 3: Cross multiply
207,091.11x = 310,230.69 × 107,316.75 - Step 4: Simplify right side
207,091.11x = 33,292,949,401.06 - Step 5: Solve for x
x = 33,292,949,401.06/207,091.11 - Step 6: Final answer
x = 160,764.74
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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.