Finding the Fourth Proportional to 101,583.74, 151,757.84 and 65,753.14
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Solution
The fourth proportional to 101,583.74, 151,757.84 and 65,753.14 is: 98,229.84
Step by Step Solution
- Step 1: Write the proportion equation
101,583.74 : 151,757.84 = 65,753.14 : x - Step 2: Convert to fraction form
101,583.74/151,757.84 = 65,753.14/x - Step 3: Cross multiply
101,583.74x = 151,757.84 × 65,753.14 - Step 4: Simplify right side
101,583.74x = 9,978,554,499.62 - Step 5: Solve for x
x = 9,978,554,499.62/101,583.74 - Step 6: Final answer
x = 98,229.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.