Finding the Fourth Proportional to 179,217.09, 247,314.20 and 98,644.68
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Solution
The fourth proportional to 179,217.09, 247,314.20 and 98,644.68 is: 136,126.69
Step by Step Solution
- Step 1: Write the proportion equation
179,217.09 : 247,314.20 = 98,644.68 : x - Step 2: Convert to fraction form
179,217.09/247,314.20 = 98,644.68/x - Step 3: Cross multiply
179,217.09x = 247,314.20 × 98,644.68 - Step 4: Simplify right side
179,217.09x = 24,396,229,625.23 - Step 5: Solve for x
x = 24,396,229,625.23/179,217.09 - Step 6: Final answer
x = 136,126.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.