Finding the Fourth Proportional to 261,618.52, 361,102.60 and 154,260.08
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Solution
The fourth proportional to 261,618.52, 361,102.60 and 154,260.08 is: 212,919.62
Step by Step Solution
- Step 1: Write the proportion equation
261,618.52 : 361,102.60 = 154,260.08 : x - Step 2: Convert to fraction form
261,618.52/361,102.60 = 154,260.08/x - Step 3: Cross multiply
261,618.52x = 361,102.60 × 154,260.08 - Step 4: Simplify right side
261,618.52x = 55,703,715,964.21 - Step 5: Solve for x
x = 55,703,715,964.21/261,618.52 - Step 6: Final answer
x = 212,919.62
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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.