Finding the Fourth Proportional to 261,340.16, 392,102.40 and 95,144.96
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Solution
The fourth proportional to 261,340.16, 392,102.40 and 95,144.96 is: 142,750.99
Step by Step Solution
- Step 1: Write the proportion equation
261,340.16 : 392,102.40 = 95,144.96 : x - Step 2: Convert to fraction form
261,340.16/392,102.40 = 95,144.96/x - Step 3: Cross multiply
261,340.16x = 392,102.40 × 95,144.96 - Step 4: Simplify right side
261,340.16x = 37,306,567,163.90 - Step 5: Solve for x
x = 37,306,567,163.90/261,340.16 - Step 6: Final answer
x = 142,750.99
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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.