Finding the Fourth Proportional to 186,519.30, 279,848.22 and 129,563.19
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Solution
The fourth proportional to 186,519.30, 279,848.22 and 129,563.19 is: 194,392.90
Step by Step Solution
- Step 1: Write the proportion equation
186,519.30 : 279,848.22 = 129,563.19 : x - Step 2: Convert to fraction form
186,519.30/279,848.22 = 129,563.19/x - Step 3: Cross multiply
186,519.30x = 279,848.22 × 129,563.19 - Step 4: Simplify right side
186,519.30x = 36,258,027,451.21 - Step 5: Solve for x
x = 36,258,027,451.21/186,519.30 - Step 6: Final answer
x = 194,392.90
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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.