Finding the Fourth Proportional to 186,279.30, 279,262.22 and 81,018.99
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Solution
The fourth proportional to 186,279.30, 279,262.22 and 81,018.99 is: 121,460.32
Step by Step Solution
- Step 1: Write the proportion equation
186,279.30 : 279,262.22 = 81,018.99 : x - Step 2: Convert to fraction form
186,279.30/279,262.22 = 81,018.99/x - Step 3: Cross multiply
186,279.30x = 279,262.22 × 81,018.99 - Step 4: Simplify right side
186,279.30x = 22,625,542,604.46 - Step 5: Solve for x
x = 22,625,542,604.46/186,279.30 - Step 6: Final answer
x = 121,460.32
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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.