Finding the Fourth Proportional to 186,508.96, 279,765.35 and 149,305.57
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Solution
The fourth proportional to 186,508.96, 279,765.35 and 149,305.57 is: 223,959.88
Step by Step Solution
- Step 1: Write the proportion equation
186,508.96 : 279,765.35 = 149,305.57 : x - Step 2: Convert to fraction form
186,508.96/279,765.35 = 149,305.57/x - Step 3: Cross multiply
186,508.96x = 279,765.35 × 149,305.57 - Step 4: Simplify right side
186,508.96x = 41,770,525,048.00 - Step 5: Solve for x
x = 41,770,525,048.00/186,508.96 - Step 6: Final answer
x = 223,959.88
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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.