Finding the Fourth Proportional to 261,762.08, 392,680.24 and 84,227.84
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Solution
The fourth proportional to 261,762.08, 392,680.24 and 84,227.84 is: 126,353.70
Step by Step Solution
- Step 1: Write the proportion equation
261,762.08 : 392,680.24 = 84,227.84 : x - Step 2: Convert to fraction form
261,762.08/392,680.24 = 84,227.84/x - Step 3: Cross multiply
261,762.08x = 392,680.24 × 84,227.84 - Step 4: Simplify right side
261,762.08x = 33,074,608,425.88 - Step 5: Solve for x
x = 33,074,608,425.88/261,762.08 - Step 6: Final answer
x = 126,353.70
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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.