Finding the Fourth Proportional to 205,034.05, 307,551.08 and 125,891.65
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Solution
The fourth proportional to 205,034.05, 307,551.08 and 125,891.65 is: 188,837.48
Step by Step Solution
- Step 1: Write the proportion equation
205,034.05 : 307,551.08 = 125,891.65 : x - Step 2: Convert to fraction form
205,034.05/307,551.08 = 125,891.65/x - Step 3: Cross multiply
205,034.05x = 307,551.08 × 125,891.65 - Step 4: Simplify right side
205,034.05x = 38,718,112,920.48 - Step 5: Solve for x
x = 38,718,112,920.48/205,034.05 - Step 6: Final answer
x = 188,837.48
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Similar ratio
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1.5x scale
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.