Finding the Fourth Proportional to 221,814.44, 306,103.92 and 126,330.02
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Solution
The fourth proportional to 221,814.44, 306,103.92 and 126,330.02 is: 174,335.42
Step by Step Solution
- Step 1: Write the proportion equation
221,814.44 : 306,103.92 = 126,330.02 : x - Step 2: Convert to fraction form
221,814.44/306,103.92 = 126,330.02/x - Step 3: Cross multiply
221,814.44x = 306,103.92 × 126,330.02 - Step 4: Simplify right side
221,814.44x = 38,670,114,335.68 - Step 5: Solve for x
x = 38,670,114,335.68/221,814.44 - Step 6: Final answer
x = 174,335.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.