Finding the Fourth Proportional to 209,342.22, 313,871.19 and 106,506.80
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Solution
The fourth proportional to 209,342.22, 313,871.19 and 106,506.80 is: 159,687.88
Step by Step Solution
- Step 1: Write the proportion equation
209,342.22 : 313,871.19 = 106,506.80 : x - Step 2: Convert to fraction form
209,342.22/313,871.19 = 106,506.80/x - Step 3: Cross multiply
209,342.22x = 313,871.19 × 106,506.80 - Step 4: Simplify right side
209,342.22x = 33,429,414,489.74 - Step 5: Solve for x
x = 33,429,414,489.74/209,342.22 - Step 6: Final answer
x = 159,687.88
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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.