Finding the Fourth Proportional to 132,964.40, 199,403.40 and 44,202.80
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Solution
The fourth proportional to 132,964.40, 199,403.40 and 44,202.80 is: 66,289.84
Step by Step Solution
- Step 1: Write the proportion equation
132,964.40 : 199,403.40 = 44,202.80 : x - Step 2: Convert to fraction form
132,964.40/199,403.40 = 44,202.80/x - Step 3: Cross multiply
132,964.40x = 199,403.40 × 44,202.80 - Step 4: Simplify right side
132,964.40x = 8,814,188,609.52 - Step 5: Solve for x
x = 8,814,188,609.52/132,964.40 - Step 6: Final answer
x = 66,289.84
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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.