Finding the Fourth Proportional to 221,473.77, 332,259.10 and 71,729.19
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Solution
The fourth proportional to 221,473.77, 332,259.10 and 71,729.19 is: 107,609.47
Step by Step Solution
- Step 1: Write the proportion equation
221,473.77 : 332,259.10 = 71,729.19 : x - Step 2: Convert to fraction form
221,473.77/332,259.10 = 71,729.19/x - Step 3: Cross multiply
221,473.77x = 332,259.10 × 71,729.19 - Step 4: Simplify right side
221,473.77x = 23,832,676,113.13 - Step 5: Solve for x
x = 23,832,676,113.13/221,473.77 - Step 6: Final answer
x = 107,609.47
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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.