Finding the Fourth Proportional to 144,304.36, 199,122.76 and 79,764.88
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Solution
The fourth proportional to 144,304.36, 199,122.76 and 79,764.88 is: 110,065.99
Step by Step Solution
- Step 1: Write the proportion equation
144,304.36 : 199,122.76 = 79,764.88 : x - Step 2: Convert to fraction form
144,304.36/199,122.76 = 79,764.88/x - Step 3: Cross multiply
144,304.36x = 199,122.76 × 79,764.88 - Step 4: Simplify right side
144,304.36x = 15,883,002,606.73 - Step 5: Solve for x
x = 15,883,002,606.73/144,304.36 - Step 6: Final answer
x = 110,065.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.