Finding the Fourth Proportional to 223,478.20, 335,427.97 and 81,460.74
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Solution
The fourth proportional to 223,478.20, 335,427.97 and 81,460.74 is: 122,267.90
Step by Step Solution
- Step 1: Write the proportion equation
223,478.20 : 335,427.97 = 81,460.74 : x - Step 2: Convert to fraction form
223,478.20/335,427.97 = 81,460.74/x - Step 3: Cross multiply
223,478.20x = 335,427.97 × 81,460.74 - Step 4: Simplify right side
223,478.20x = 27,324,210,449.25 - Step 5: Solve for x
x = 27,324,210,449.25/223,478.20 - Step 6: Final answer
x = 122,267.90
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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.