Finding the Fourth Proportional to 202,377.07, 279,279.05 and 111,738.68
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Solution
The fourth proportional to 202,377.07, 279,279.05 and 111,738.68 is: 154,198.66
Step by Step Solution
- Step 1: Write the proportion equation
202,377.07 : 279,279.05 = 111,738.68 : x - Step 2: Convert to fraction form
202,377.07/279,279.05 = 111,738.68/x - Step 3: Cross multiply
202,377.07x = 279,279.05 × 111,738.68 - Step 4: Simplify right side
202,377.07x = 31,206,272,398.65 - Step 5: Solve for x
x = 31,206,272,398.65/202,377.07 - Step 6: Final answer
x = 154,198.66
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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.