Finding the Fourth Proportional to 100,857.19, 151,215.73 and 44,666.68
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Solution
The fourth proportional to 100,857.19, 151,215.73 and 44,666.68 is: 66,968.99
Step by Step Solution
- Step 1: Write the proportion equation
100,857.19 : 151,215.73 = 44,666.68 : x - Step 2: Convert to fraction form
100,857.19/151,215.73 = 44,666.68/x - Step 3: Cross multiply
100,857.19x = 151,215.73 × 44,666.68 - Step 4: Simplify right side
100,857.19x = 6,754,304,622.88 - Step 5: Solve for x
x = 6,754,304,622.88/100,857.19 - Step 6: Final answer
x = 66,968.99
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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.