Finding the Fourth Proportional to 202,279.68, 303,416.28 and 77,620.68
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Solution
The fourth proportional to 202,279.68, 303,416.28 and 77,620.68 is: 116,429.78
Step by Step Solution
- Step 1: Write the proportion equation
202,279.68 : 303,416.28 = 77,620.68 : x - Step 2: Convert to fraction form
202,279.68/303,416.28 = 77,620.68/x - Step 3: Cross multiply
202,279.68x = 303,416.28 × 77,620.68 - Step 4: Simplify right side
202,279.68x = 23,551,377,976.67 - Step 5: Solve for x
x = 23,551,377,976.67/202,279.68 - Step 6: Final answer
x = 116,429.78
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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.