Finding the Fourth Proportional to 179,816.44, 248,006.40 and 115,291.84
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Solution
The fourth proportional to 179,816.44, 248,006.40 and 115,291.84 is: 159,012.79
Step by Step Solution
- Step 1: Write the proportion equation
179,816.44 : 248,006.40 = 115,291.84 : x - Step 2: Convert to fraction form
179,816.44/248,006.40 = 115,291.84/x - Step 3: Cross multiply
179,816.44x = 248,006.40 × 115,291.84 - Step 4: Simplify right side
179,816.44x = 28,593,114,187.78 - Step 5: Solve for x
x = 28,593,114,187.78/179,816.44 - Step 6: Final answer
x = 159,012.79
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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.