Finding the Fourth Proportional to 221,671.44, 332,609.40 and 137,530.44
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Solution
The fourth proportional to 221,671.44, 332,609.40 and 137,530.44 is: 206,359.09
Step by Step Solution
- Step 1: Write the proportion equation
221,671.44 : 332,609.40 = 137,530.44 : x - Step 2: Convert to fraction form
221,671.44/332,609.40 = 137,530.44/x - Step 3: Cross multiply
221,671.44x = 332,609.40 × 137,530.44 - Step 4: Simplify right side
221,671.44x = 45,743,917,130.14 - Step 5: Solve for x
x = 45,743,917,130.14/221,671.44 - Step 6: Final answer
x = 206,359.09
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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.