Finding the Fourth Proportional to 179,876.87, 248,262.58 and 107,284.42
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Solution
The fourth proportional to 179,876.87, 248,262.58 and 107,284.42 is: 148,071.88
Step by Step Solution
- Step 1: Write the proportion equation
179,876.87 : 248,262.58 = 107,284.42 : x - Step 2: Convert to fraction form
179,876.87/248,262.58 = 107,284.42/x - Step 3: Cross multiply
179,876.87x = 248,262.58 × 107,284.42 - Step 4: Simplify right side
179,876.87x = 26,634,706,014.14 - Step 5: Solve for x
x = 26,634,706,014.14/179,876.87 - Step 6: Final answer
x = 148,071.88
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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.