Finding the Fourth Proportional to 229,239.20, 343,858.80 and 63,027.20
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Solution
The fourth proportional to 229,239.20, 343,858.80 and 63,027.20 is: 94,540.80
Step by Step Solution
- Step 1: Write the proportion equation
229,239.20 : 343,858.80 = 63,027.20 : x - Step 2: Convert to fraction form
229,239.20/343,858.80 = 63,027.20/x - Step 3: Cross multiply
229,239.20x = 343,858.80 × 63,027.20 - Step 4: Simplify right side
229,239.20x = 21,672,457,359.36 - Step 5: Solve for x
x = 21,672,457,359.36/229,239.20 - Step 6: Final answer
x = 94,540.80
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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.