Finding the Fourth Proportional to 221,205.18, 331,809.06 and 54,993.18
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Solution
The fourth proportional to 221,205.18, 331,809.06 and 54,993.18 is: 82,490.09
Step by Step Solution
- Step 1: Write the proportion equation
221,205.18 : 331,809.06 = 54,993.18 : x - Step 2: Convert to fraction form
221,205.18/331,809.06 = 54,993.18/x - Step 3: Cross multiply
221,205.18x = 331,809.06 × 54,993.18 - Step 4: Simplify right side
221,205.18x = 18,247,235,362.21 - Step 5: Solve for x
x = 18,247,235,362.21/221,205.18 - Step 6: Final answer
x = 82,490.09
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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.