Finding the Fourth Proportional to 223,447.18, 335,065.28 and 81,192.08
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Solution
The fourth proportional to 223,447.18, 335,065.28 and 81,192.08 is: 121,749.79
Step by Step Solution
- Step 1: Write the proportion equation
223,447.18 : 335,065.28 = 81,192.08 : x - Step 2: Convert to fraction form
223,447.18/335,065.28 = 81,192.08/x - Step 3: Cross multiply
223,447.18x = 335,065.28 × 81,192.08 - Step 4: Simplify right side
223,447.18x = 27,204,647,018.98 - Step 5: Solve for x
x = 27,204,647,018.98/223,447.18 - Step 6: Final answer
x = 121,749.79
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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.