Finding the Fourth Proportional to 169,245.36, 253,816.92 and 106,161.84
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Solution
The fourth proportional to 169,245.36, 253,816.92 and 106,161.84 is: 159,210.69
Step by Step Solution
- Step 1: Write the proportion equation
169,245.36 : 253,816.92 = 106,161.84 : x - Step 2: Convert to fraction form
169,245.36/253,816.92 = 106,161.84/x - Step 3: Cross multiply
169,245.36x = 253,816.92 × 106,161.84 - Step 4: Simplify right side
169,245.36x = 26,945,671,250.33 - Step 5: Solve for x
x = 26,945,671,250.33/169,245.36 - Step 6: Final answer
x = 159,210.69
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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.