Finding the Fourth Proportional to 221,012.72, 331,750.96 and 195,873.08
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Solution
The fourth proportional to 221,012.72, 331,750.96 and 195,873.08 is: 294,015.12
Step by Step Solution
- Step 1: Write the proportion equation
221,012.72 : 331,750.96 = 195,873.08 : x - Step 2: Convert to fraction form
221,012.72/331,750.96 = 195,873.08/x - Step 3: Cross multiply
221,012.72x = 331,750.96 × 195,873.08 - Step 4: Simplify right side
221,012.72x = 64,981,080,179.72 - Step 5: Solve for x
x = 64,981,080,179.72/221,012.72 - Step 6: Final answer
x = 294,015.12
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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.