Finding the Fourth Proportional to 179,822.76, 248,137.74 and 99,245.09
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Solution
The fourth proportional to 179,822.76, 248,137.74 and 99,245.09 is: 136,948.47
Step by Step Solution
- Step 1: Write the proportion equation
179,822.76 : 248,137.74 = 99,245.09 : x - Step 2: Convert to fraction form
179,822.76/248,137.74 = 99,245.09/x - Step 3: Cross multiply
179,822.76x = 248,137.74 × 99,245.09 - Step 4: Simplify right side
179,822.76x = 24,626,451,098.01 - Step 5: Solve for x
x = 24,626,451,098.01/179,822.76 - Step 6: Final answer
x = 136,948.47
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1.5x scale
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.