Finding the Fourth Proportional to 221,998.53, 332,960.67 and 79,814.82
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Solution
The fourth proportional to 221,998.53, 332,960.67 and 79,814.82 is: 119,708.88
Step by Step Solution
- Step 1: Write the proportion equation
221,998.53 : 332,960.67 = 79,814.82 : x - Step 2: Convert to fraction form
221,998.53/332,960.67 = 79,814.82/x - Step 3: Cross multiply
221,998.53x = 332,960.67 × 79,814.82 - Step 4: Simplify right side
221,998.53x = 26,575,195,943.13 - Step 5: Solve for x
x = 26,575,195,943.13/221,998.53 - Step 6: Final answer
x = 119,708.88
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1.5x scale
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.