Finding the Fourth Proportional to 221,016.74, 331,756.97 and 195,877.07
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Solution
The fourth proportional to 221,016.74, 331,756.97 and 195,877.07 is: 294,021.09
Step by Step Solution
- Step 1: Write the proportion equation
221,016.74 : 331,756.97 = 195,877.07 : x - Step 2: Convert to fraction form
221,016.74/331,756.97 = 195,877.07/x - Step 3: Cross multiply
221,016.74x = 331,756.97 × 195,877.07 - Step 4: Simplify right side
221,016.74x = 64,983,581,841.60 - Step 5: Solve for x
x = 64,983,581,841.60/221,016.74 - Step 6: Final answer
x = 294,021.09
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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.