Finding the Fourth Proportional to 440,679.44, 661,034.82 and 141,121.09
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Solution
The fourth proportional to 440,679.44, 661,034.82 and 141,121.09 is: 211,686.65
Step by Step Solution
- Step 1: Write the proportion equation
440,679.44 : 661,034.82 = 141,121.09 : x - Step 2: Convert to fraction form
440,679.44/661,034.82 = 141,121.09/x - Step 3: Cross multiply
440,679.44x = 661,034.82 × 141,121.09 - Step 4: Simplify right side
440,679.44x = 93,285,955,681.85 - Step 5: Solve for x
x = 93,285,955,681.85/440,679.44 - Step 6: Final answer
x = 211,686.65
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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.