Finding the Fourth Proportional to 146,219.26, 219,409.99 and 71,340.02
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Solution
The fourth proportional to 146,219.26, 219,409.99 and 71,340.02 is: 107,049.60
Step by Step Solution
- Step 1: Write the proportion equation
146,219.26 : 219,409.99 = 71,340.02 : x - Step 2: Convert to fraction form
146,219.26/219,409.99 = 71,340.02/x - Step 3: Cross multiply
146,219.26x = 219,409.99 × 71,340.02 - Step 4: Simplify right side
146,219.26x = 15,652,713,074.80 - Step 5: Solve for x
x = 15,652,713,074.80/146,219.26 - Step 6: Final answer
x = 107,049.60
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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.