Finding the Fourth Proportional to 440,680.16, 661,035.92 and 141,121.82
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Solution
The fourth proportional to 440,680.16, 661,035.92 and 141,121.82 is: 211,687.75
Step by Step Solution
- Step 1: Write the proportion equation
440,680.16 : 661,035.92 = 141,121.82 : x - Step 2: Convert to fraction form
440,680.16/661,035.92 = 141,121.82/x - Step 3: Cross multiply
440,680.16x = 661,035.92 × 141,121.82 - Step 4: Simplify right side
440,680.16x = 93,286,593,062.76 - Step 5: Solve for x
x = 93,286,593,062.76/440,680.16 - Step 6: Final answer
x = 211,687.75
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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.