Finding the Fourth Proportional to 179,221.99, 268,871.88 and 54,559.75
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Solution
The fourth proportional to 179,221.99, 268,871.88 and 54,559.75 is: 81,851.47
Step by Step Solution
- Step 1: Write the proportion equation
179,221.99 : 268,871.88 = 54,559.75 : x - Step 2: Convert to fraction form
179,221.99/268,871.88 = 54,559.75/x - Step 3: Cross multiply
179,221.99x = 268,871.88 × 54,559.75 - Step 4: Simplify right side
179,221.99x = 14,669,582,554.83 - Step 5: Solve for x
x = 14,669,582,554.83/179,221.99 - Step 6: Final answer
x = 81,851.47
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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.