Finding the Fourth Proportional to 242,708.91, 363,800.39 and 124,217.79
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Solution
The fourth proportional to 242,708.91, 363,800.39 and 124,217.79 is: 186,192.09
Step by Step Solution
- Step 1: Write the proportion equation
242,708.91 : 363,800.39 = 124,217.79 : x - Step 2: Convert to fraction form
242,708.91/363,800.39 = 124,217.79/x - Step 3: Cross multiply
242,708.91x = 363,800.39 × 124,217.79 - Step 4: Simplify right side
242,708.91x = 45,190,479,825.85 - Step 5: Solve for x
x = 45,190,479,825.85/242,708.91 - Step 6: Final answer
x = 186,192.09
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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.