Finding the Fourth Proportional to 221,455.70, 332,232.15 and 71,702.90
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Solution
The fourth proportional to 221,455.70, 332,232.15 and 71,702.90 is: 107,570.09
Step by Step Solution
- Step 1: Write the proportion equation
221,455.70 : 332,232.15 = 71,702.90 : x - Step 2: Convert to fraction form
221,455.70/332,232.15 = 71,702.90/x - Step 3: Cross multiply
221,455.70x = 332,232.15 × 71,702.90 - Step 4: Simplify right side
221,455.70x = 23,822,008,628.24 - Step 5: Solve for x
x = 23,822,008,628.24/221,455.70 - Step 6: Final answer
x = 107,570.09
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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.