Finding the Fourth Proportional to 227,965.78, 341,739.42 and 87,618.70
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Solution
The fourth proportional to 227,965.78, 341,739.42 and 87,618.70 is: 131,347.62
Step by Step Solution
- Step 1: Write the proportion equation
227,965.78 : 341,739.42 = 87,618.70 : x - Step 2: Convert to fraction form
227,965.78/341,739.42 = 87,618.70/x - Step 3: Cross multiply
227,965.78x = 341,739.42 × 87,618.70 - Step 4: Simplify right side
227,965.78x = 29,942,763,719.15 - Step 5: Solve for x
x = 29,942,763,719.15/227,965.78 - Step 6: Final answer
x = 131,347.62
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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.